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In today's call, I'll provide our perspective on how the major trends driving our markets are evolving. I'll outline our strategy and how we're translating our broad portfolio of products and capabilities into sustainable growth for Applied, then Dan will provide more details about our financial performance and outlook.

During this past quarter, there have been some puts and takes in our customers' near-term investment plans. Smartphone sales have been below expectations, particularly for high-end models. And in response, both Semiconductor and Display suppliers have made adjustments to their capacity planning. We view the current investment levels as rational and disciplined, particularly in the memory market. We therefore believe a healthy balance of supply and-demand will be maintained.

Smartphones remain a key long-term driver of both technology and capacity. In many ways, smartphones are the ultimate edge device. As handset makers add more function and features to their products, we see the content per box continuing to grow. For example, recent forecasts from our customers indicate that average yearly growth in mobility content over the next three years will be around 35% for NAND and 20% for DRAM.

In contrast to the weakness in smartphone unit sales we've seen in the first part of this year, there is evidence that emerging drivers of industry growth are picking up pace. The Internet of Things, big data, and artificial intelligence will disrupt and transform virtually every industry and area of the economy over the next decade. While we are only at the very beginning of the buildout of the AI/big data era, we are already starting to see the positive impact on our markets.

In just the past six months, cloud service providers have increased their capital investments significantly. Looking at the financial reports from the top 7 cloud service providers, we see their CapEx up around 40% this year, versus previous expectations of about 30%. Also, data center real estate investments made by those companies in 2017 were up more than 250% compared to 2016, which we view as a positive leading indicator of growth.

Data centers are already becoming a much larger consumer of silicon. For example, the market for server DRAM is currently growing about 75% faster that mobile DRAM, which means it could become the largest segment of the DRAM market in the next 3 to 5 years. In addition, the architecture war for AI leadership is heating up, with a steady stream of new, high-performance computing hardware coming to market.

At both the server and chip level, we see a major shift from general purpose computing to new hardware architectures that are customized for specific computing tasks or workloads. This significant technology inflection is fueling new investments in hardware design and new silicon devices which, in turn, are driving significant innovation throughout the ecosystem. I'll now translate these end-market trends into an outlook for Applied's served markets.

As I mentioned, we are seeing extremely disciplined investment by our memory customers, which we believe bodes well for healthy market dynamics. In line with our previous forecast, NAND VIP demand is expected to grow at about 40% this year. While we've reduced our expectations for NAND investments in 2018, we still see spending being similar to last year's high levels.

Our outlook for DRAM investments has strengthened, as customers invest in capacity and technology to meet growing demand for high-performance DRAM used in data centers. We expect this year's combined investments by foundry and logic customers to be similar to 2017, and we anticipate that spending will be split relatively evenly between leading edge and trailing geometries to serve growing IoT and automotive applications. We also continue to see a steady ramp of spending in China by both multinational and domestic manufacturers in line with our prior assumptions.

Taking all of these factors into account, we maintain our view that combined wafer fab equipment investments in 2018 and 2019 could be around $100 billion. In Display, investments in large substrate Gen 10.5 TV capacity remains strong. Adoption of OLED screens in mobile and the ramp of manufacturing capacity are slower than previously expected, primarily due to weakness in high-end smartphone sales. We view OLED as a compelling technology and the leading handset makers are committed to making the transition over time. Compared to LCD, OLED offers significant performance and power advantages, as well as lower cost and high-volume production. In addition, next generation flexible OLED will enable new form factors, such as curved and ultimately, foldable screens.

Applied Materials' vision is to make possible the technology shaping the future, and we have aligned our investments, organization, and operating systems to realize this vision. In many ways, it is the breadth of our capabilities and product portfolio that sets us apart. We have the broadest exposure to industry trends, and our business is well balanced across a variety of markets and market segments.

In addition, as the industry roadmaps become increasingly challenging, material solutions are more critical to deliver the needed improvements in power, performance, area, and cost for next generation devices. Our ability to address these complex challenges with innovation approaches to materials create, materials removal, and materials modification is becoming increasingly valuable.

We also have unique technologies, like e-beam, to measure, understand, and inspect new materials and structures. We're using our breadth to help customers accelerate their roadmaps, shortening the time it takes to bring new devices to market is incredibly valuable, resulting in strong customer pull for material solutions that go beyond traditional unit process tools. We're excited about our pipeline and we'll share more insight into these capabilities later this year.

In semiconductor, the strength of our technology portfolio has enabled us to outperform the market for 6 consecutive years. Based on our expanding opportunities and the traction of our new products, we expect to grow faster than the market again this year. With our R&D priorities aligned to our customers' evolving requirements, it is clear that advancing the industry roadmap is going to require a contribution of new device architectures, including 3-D structures and advanced packaging, new materials, and new ways to shrink chip geometries that address both resolution and placement.

There is significant innovation taking place in all three of these areas, and that creates great opportunities for Applied. Even in shrink, our opportunity is growing, regardless of the pace of EUV lithography adoption. The reasons for this include: self-aligned multi-patterning techniques, SADP and SAQP, which are needed in conjunction with EUV lithography to drive the resolution roadmap, and new materials-enabled patterning approaches which are being developed as the primary solution for placement errors. Placement errors, or the vertical alignment between the layers of a device, can have a significant impact on device performance and reliability.

Beyond equipment, we continue to invest in new service products and organizational capabilities to create value for our customers. Our Service business delivered all-time record performance this quarter, with revenues up 30% relative to the same period last year. Over the longer term, we're confident that we can sustain annual Service growth of at least 15%, driven by a growing install base, a larger portion of those tools under long-term service agreements, and new service products that help customers shorten ramp times, improve device performance and yield, and optimize operating cost.

In Display since 2012, we've grown revenues at an average rate of 25% per year, and in 2018, we remain on track to grow by more than 30%. Based on recent revisions to timing of customers' OLED plans, our early view of 2019 is that our revenue will be lower than this year, although still nicely up from 2017. Overall, we maintain a positive outlook for the business, as a unique, long-term growth driver for Applied.

Before I turn the call over to Dan, I'll quickly summarize. While we've seen some recent changes in customers' near-term investment plans, our markets remain strong and healthy, with long-term demand drivers firmly in place. We maintain our view that wafer fab equipment spending for 2018 and 2019 combined could be $100 billion. Applied is outperforming our served market and in Fiscal 2018, we expect to deliver strong, double-digit growth in Semi, Display, and Service. As we look ahead, we see emerging technology trends that play to Applied's breadth, and we're excited about our expanding role bringing new devices to market. Now, Dan will give his perspective on our performance and outlook.

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks, Gary. In Q2, Applied set new performance records across a variety of operating and financial metrics. Our manufacturing and operations teams shipped a record number of 300mm systems, while hitting key goals for quality and on-time delivery. Company revenue was an all-time high, up 29% year-over-year. Our Semi equipment and Services businesses both set revenue records, and we exceeded our outlook in Display. We maintained strong gross margins, even as our Service and Display businesses outgrew Semi. We grew non-GAAP operating profit by 40% year-over-year to $1.38 billion, a new record. And we continue to become more efficient. We reduced our non-GAAP OpEx to sales ratio to 16.6%, the lowest in our history, and we did this by growing, not cutting.

In fact, we're investing more in R&D than at any time in our history, to support our customers with new materials and innovative solutions. This makes Applied a uniquely valuable partner in driving the roadmap for continued high performance, low power, and low cost. We will continue to invest with discipline and be laser focused on improving our execution and financial results. I believe Applied's strong performance is also attributable to better industry dynamics. We see growing evidence that our markets are larger and less variable.

We expect strong semiconductor equipment spending in 2018 and 2019, despite weakness in the high-end segment of the smartphone market, which is still the single biggest driver of semiconductor revenue. In the past, weakness within the largest end-product category might have caused a significant correction, particularly in memory. But Applied's results and outlook remain strong.

This outcome reinforces our belief in three positive factors: (1) there are more demand drivers than ever before. Today, the PC market in growing. Smartphones come in a wide range of price points to suit more consumers around the world, and the new data economy is just beginning to take shape. Gary mentioned the strength in data center [inaudible] leading indicator for us. I personally believe the Internet of Things and artificial intelligence are business critical, not consumer discretionary; (2) capital intensity is higher; and (3) our customers are healthy and adding capacity in a disciplined manner to meet demand where it is needed the most.

In fact, while high-end smartphone units were weaker than expected, lower NAND pricing is creating additional demand for solid state drives. In a world where data grows exponentially, it will take many years for our customers to convert the storage market from magnetic technology to semiconductors.

In this environment, Applied's breadth is a unique advantage. In semiconductor systems, Gary described how we are combining our technologies to help customers in new ways. You'll see more evidence of this in the months ahead. Applied is strong across memory, foundry, and logic, and we're growing in memory, where our leadership products are being used to improve performance and reduce power consumption. Technologies like high-ĸ metal gate were pioneered in the logic market and are now being adopted in DRAM. Many of our new multi-patterning wins are also in DRAM.

Today, we are also growing our Semi business beyond the opportunity set of the most advanced logic and memory nodes. Our 200mm systems and our trailing node 300mm systems serve many hundreds of end customers in diverse industries such as automotive and industrial. Our 200mm systems revenue should be u over 20% this year. In fact, we are now building brand-new systems to keep with the demand for the billions of sensors and other low-cost devices needed in the Internet of Things, advanced automotive applications, and Industry 4.0. These system shipments are also helping us diversify in Service, which gives us growth, consistent revenue, and excellent cash flow.

Applied has a unique opportunity in Display. As Gary discussed, while the transition to OLED smartphones will take some additional time, our overall Display business is diverse and remains very strong. As a company, we've never had such a broad set of growth drivers, and we have more in the pipeline. As a result, our fiscal year revenue could be up by more than 20% in 2018, and our non-GAAP EPS could be up over 40%. We're well on track to our goal of achieving over $5.00 in non-GAAP EPS by 2020.

In short, we have strong conviction in our markets, our strategy, our technology pipeline, and our opportunity to deliver growth over the long run, even when equity markets are volatile in the short run. Consistent with our conviction, we used $2.5 billion during the quarter to repurchase 44 million shares of our stock, or about 4% of the shares outstanding at the beginning of the period. Over the past 4 quarters, our buybacks were equivalent to 7% of the shares outstanding.

At the same time, we've maintained a very strong balance sheet. We plan to increase our CapEx by about $400 million this year. The majority of the increase will be used to expand our R&D capabilities and manufacturing capacity.

Now, I'll comment on our financial execution in Q2. We delivered our ninth consecutive quarter of year-over-year growth in both revenue and non-GAAP EPS, which was $1.22 or $1.19 minus the benefit of the lower tax rate and share count. On a year-over-year, non-GAAP basis, we increased gross margin by 40 basis points, increased operating margin by 240 basis points, and grew EPS by 54%.

Turning to the segments, we delivered record revenue and operating profit in both semi equipment and services. We grew semi equipment revenue by 25% year-over-year. Services revenue was up 20%, and above our expectation. Driven by strong spare parts demand, along with new long-term service agreements and renewals. In Display, we grew revenue by 53% year-over-year, and grew non-GAAP operating margin by 620 basis points year-over-year. We expect Display revenue to be higher in our second half, thanks to our balanced exposure to inflections, in both the TV and mobile markets.

Now, I'll share our business outlook for Q3, as compared to the same period last year. We expect overall revenue to be in the range of $4.33 to $4.53 billion. The midpoint would be up by about 18% year-over-year. We expect Semiconductor systems revenue to grow about 7%. Our Services revenue should increase by about 23%. Our Display revenue should grow by about 75%. Our non-GAAP gross margin should be around 46.5%. Non-GAAP operating expenses should be in the range of $770 million, plus or minus $10 million. We expect non-GAAP EPS to be in the range of $1.17, plus or minus $0.04. The midpoint of the range is up nearly 36%.

Finally, I'll add some additional color to help you with your models for the full fiscal year, in which overall company revenue could be up around 22%. The following 4 metrics are likely to be approximately flat sequentially from Q3 to Q4: Services revenue, Display revenue, non-GAAP gross margin, and non-GAAP OpEx. Our Semiconductor systems revenue is likely to be up sequentially in Q4. And now, I'll turn the call back to Mike to start the Q&A.

Questions and Answers:

Michael Sullivan -- Head of Investor Relations

Thanks, Dan. Now, to help us reach as many people as we can, please ask just one question at this time. If you have an additional question later, please poll the operator and we'll do our best to answer it later in the call. Operator, let's please begin.

Operator

Thank you. Ladies and gentlemen, if you have a question at this time, just press * and the No. 1 key of our touchtone telephone. If your question has been answered or you wish to remove yourself from the queue, press the # key. Again, if you have a question, just press * and the No. 1.

Our first question is from C.J. Muse with Evercore ISI.

C.J. Muse -- Evercore ISI -- Analyst

Good afternoon. Thank you for taking my question. I guess question from me is considering the weakness you're seeing in the high-end smartphone side, has your outlook for total WFE, low double-digit growth in Calendar '18 changed? Could you discuss that? Then how should we think about the $100 billion combined WFE outlook that you provided? Is that guide or just more reflective of your view that spending will remain strong into next year? Thanks.

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks, C.J. I think it's a reflection of our conviction in our end markets and sustainably strong. We feel really good about the end markets. Like Gary said, $100 billion in 2018 and 2019. We're seeing strength across all device types. The markets are more balanced today than they've probably ever been. 2017 was a very strong year. 2018 will be up over '17, and we see the fundamentals into '19 being strong. So, we still feel good about the markets, the performance, and the outlook into 2019.

Michael Sullivan -- Head of Investor Relations

Thanks, C.J.

Operator

Thank you. Our next question is from Atif Malik with Citigroup.

Atif Malik -- Citigroup -- Analyst

Hi, thank you for taking my question. Can you talk about the mix of LCD versus OLED displayed in the reported quarter, and your expectations for Display being down in 2019? Are you expecting the TV market to be down or is it more OLED? Thank you.

Gary E. Dickerson -- President and Chief Executive Officer

Thank you. So, let me give some color on Display overall. Display is a really good adjacent market for Applied. We average 25% growth, annual growth between 2012 and 2017. We're still on track to greater than 30% revenue growth in 2018. Based on the customer plans, our view of 2019 is for revenue to be down around 15% or 20%. When we look at mobile and TV, in '18 we see investment balanced between mobile and TV, '19 more weighted toward TV. And in TV, the adoption of larger screens is driving the market. If you look at a Gen. 10.5 factory versus a Gen. 8.5 factory, you can product 8 65" televisions versus 3 65" televisions. So, it's a really compelling value proposition there.

We're still tracking 13 Gen. 10.5 projects. There's a long lead time for these factories, and customers are still on track with these investments. In OLED, it is slower than we previously expected. We're still tracking 23 fabs. That timing has extended out from around 2021 to 2023, but the transition to OLED display is still compelling and leading handset makers are still committed to make the transition. If you look at rigid OLED, you have better performance, better form factor, lower cost, entitlement in high-volume manufacturing, and the ability to go to flexible OLED for curved, and eventually foldable screens.

So, we've had great performance in growth and display over the last few years. With future technology inflections, our pipeline of new capabilities, we continue to see display as a really good growth opportunity for Applied.

Michael Sullivan -- Head of Investor Relations

Thanks, Atif.

Operator

Thank you. Our next question is from Pierre Ferragu with New Street Research.

Pierre Ferragu -- New Street Research -- Analyst

Hi, thank you for taking my question. Gary, you mentioned in your prepared remarks how the industry has become [inaudible] in the way it's managing its investments. I think maybe you could elaborate on that and tell us what happened in the first quarter of the year. So, demand in smartphones came in weaker than expected. We are in a weak smartphone environment, that's fairly new. So, my question is, this new discipline, does that mean that your clients have been above to adapt their plans very rapidly and that it planned already or does that actually mean that the units' gross of smartphone as a driver for the industry as a whole is now so small and lost into other drivers like content increase and other markets like data center and pieces that actually, that smarter moving part that really affects investment plans in today's world? Thank you.

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks for the question. If we take a look at the memory markets as an illustration of the point around discipline, we take a look at the demand. End-market demand is strong. The macro drivers we keep talking about-artificial intelligence, data, economy are real. They're playing out and it's driving demand for silicon. We see that demand in the memory market. Customers are incredibly healthy. They're investing a lot but they're also making a lot. In fact, WFE as a percent of EBITDA is down 50% from 2012 to today. The environment is characterized by demand-led investments.

The market is showing incredible discipline. In DRAM, 2017 supply bit growth was about 20%. Demand bit growth in 2017 was slightly more than that. In 2018, we expend supply and demand in the DRAM market to be balanced, at about 20% growth each. In NAND, it's a similar story. In 2017, supply bit growth was about 30% to 35%. 2017's demand bit growth was about 35% to 40%. In 2018, again, we see a balanced market from a supply and-demand perspective, both at about 40%. When we look at what's happening in China, we're seeing modest and disciplined growth in China. China is emerging as a spender. Their strategic intent is clear and the financial resources they have are clear.

Based on our dialogue, we think the expectations with those customers are realistic. They're being pragmatic. Capacity additions are modest. When we take all of this into account, we have confidence in this region in the long run. So, across multiple markets, multiple geographies, we're seeing a very disciplined environment play out. As we take a step back from that environment, 2017 was a great year in WFE. 2018 will be up over 2017. As Gary said, it could be $100 billion between '18 and '19, so we're seeing strength across all device types, customers are healthy, and they're acting in a disciplined manner.

Michael Sullivan -- Head of Investor Relations

Thanks, Pierre.

Operator

Thank you. Our next question is from Harlan Sur with J.P. Morgan.

Harlan Sur -- J.P. Morgan -- Analyst

Good afternoon. Thanks for taking my question. As to the commentary on memory, so you see a balanced supply and-demand outlook for DRAM. I think industry capacity entering this year was about 1.1 million wafer starts per month, but as you guys know, the DRAM suppliers are losing effective capacity every time they do a technology migration, I think, something to the tune of like 15% capacity lost. Then bits per wafer is also going down every time they do technology migrations. So, given what you're seeing, what do you think we end the year as it relates to total DRAM capacity? Thank you.

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks for the question. If we go back to 2016, it was 1.1 million wafer starts per month, and probably a handful of years before that it was 1.1 million wafer starts per month. In 2017, because of exactly the dynamic you talked about, which is we're getting less bit growth out of shrinks, and the shrinks are happening at a less frequent interval, we saw more capacity adds in the DRAM market. So, it rounded to 1.2 million wafer starts per month exiting 2017. I think it's too early to call where we end up in 2018, but we definitely see customers struggling to drive bit growth from shrinks alone, factory output when you shrink because the process is more complex, it goes down, and greenfield adds are being just added to keep the supply demand in balance, driving about a 20% bit supply growth in line with bit demand growth. So, too early to call it, but it still looks like a healthy market acting with discipline.

Harlan Sur -- J.P. Morgan -- Analyst

Thanks for the insights, Dan.

Gary E. Dickerson -- President and Chief Executive Officer

In DRAM, we're going to see very strong growth and revenue in 2018, much faster than what we project for the market. The devices all right changing to become logic-like in the periphery, similar to 28 nanometer foundry steps. We're also gaining in patterning new wins where we never had positions. So, especially in DRAM, we see very strong growth for Applied in 2018 and beyond.

Harlan Sur -- J.P. Morgan -- Analyst

Thanks, Dan. Thanks, Gary.

Michael Sullivan -- Head of Investor Relations

Thanks, Harlan.

Operator

Thank you. Our next question is from Romit Shah with Nomura Instinet.

Romit Shah -- Nomura Instinet -- Analyst

Thank you. If I heard you correctly, Dan, you guys are reiterating your 2020 target, but at the same time you're lowering your outlook for Display relative to what the Street was forecasting. It looks like it's about a $600 million swing in Display revenue guidance relative to forecast. Can you help us reconcile your reiteration of the 2020 target versus the lower guidance for Display? Thank you.

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks, Romit. Look, the business is performing extremely well. Q2 was a record quarter. 2018 is going to be a record year for the company. We've got more pipeline opportunities, new products that are going to be introduced. We're going to be announcing them in the near term. The business is performing well and we're driving good performance. We are well on our track to hitting over $5.00 by EPS of 2020. How that profiles across the business? We're not going to update the long-term model on this call. We'll do that at our analyst day later this fall. But at the core is a business that's performing well with a lot of conviction around hitting that long-term target of over $5.00 of EPS by 2020.

Michael Sullivan -- Head of Investor Relations

Thanks, Romit.

Operator

Thank you. Our next question is from Timothy Arcuri with UBS.

Timothy Arcuri -- UBS -- Analyst

Thank you very much. I wanted to follow up on this $100 billion over this year and next year. It sounds like the baseline for this year that you guys are talking about, is it like in the low $50s because you're saying up, you know, double digits off of like a $47 billion number. So, that would imply that it's down like $5 to $6 billion next year. I know that's not guidance and you could just as easily probably have raised it to $105 million or something like that. But I'm a little surprised that the number's not a bit higher because of what's happening in China. So, I guess my question is (a) what's going to decline next year if that's what you're trying to imply; and (b) can you talk about the ramp in China now we're shipping into 3 projects in China and Gary sort of how you think those ramp through this year and next year? Thank you.

Dan Durn -- Senior Vice President, Chief Financial Officer

A couple things. First of all, thanks for the question. I don't think we're providing a specific guidance on 2018 and 2019. It's an indication of strength and follow-through. At the core of that, we feel really good about the end markets. Like Gary said, $100 billion '18 and '19. We see strength across many device types. It's too early to tell today exactly how 2018 profiles, first half, second half, full year, and how 2019 profiles. But we've got a lot of conviction and confidence heading into 2019. There's a number of reasons at the core of it. We're talking about the macro trends; they're real. They're having a real impact. Demand for silicon is up.

Second, capital intensity is up across the board and that's all device types. Markets are balanced. We're seeing strength across all four device types. When we stay a step back, NAND has gotten a lot of publicity of late. When we end 2018, we're going to see something very similar in the NAND market to 2017, which was an all-time high. Taking a step back from the near-turn noise, this is an incredibly strong market. Customers, again, customers continue to be healthy. They're profitable. They're behaving in a disciplined manner. Again, we're seeing the right kind of signals out of China that indicate long-term stability health and being a meaningful driver of growth going forward. So, too early to call exactly how it profiles, but we've got a lot of strength and conviction about how the outlook and fundamentals look into 2019.

Gary E. Dickerson -- President and Chief Executive Officer

Tim, I can give maybe a little bit more color, also, on China. So, 2018's going to be a great year for Applied in China. We have a very strong position in Semi, Service, Display, and we anticipate that we're going to grow faster than the market there. '18 is pretty balanced between domestic and global companies from a revenue perspective. Domestic China is higher on foundry logic, global is higher on memory. But overall, we're going to have a great year there in 2018. As Dan said, we believe the investments are rational and will continue. This is, long term, a great growth opportunity for Applied.

Michael Sullivan -- Head of Investor Relations

Thanks, Tim.

Timothy Arcuri -- UBS -- Analyst

Thank you.

Operator

Thank you. Our next question is from Farhan Ahmad with Credit Suisse.

Farhan Ahmad -- Credit Suisse -- Analyst

Thanks for taking my question. My first question is regard the comment that you had on 2018-2019 WFE at $100 billion plus. If I look at the trend for [inaudible] '14-'15 WFE combined was $70 billion, '16-'17 was $90 billion. '18-'19 you are saying $100 billion. Are we, what do you think going forward, '20-'21? Should we expect the continued growth in WFE as well and maybe like '18-'19 could be down by '20-'21 should be up from that?

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks, Farhan. If we go back to 2000, when 300mm wafers were introduced, the industry peaked at a capital intensity or WFE intensity of about 17% of overall industry revenues. As you worked 300mm systems into the mix, it drove a whole host of efficiencies that just wasn't to add more output per factory, it's the way the factories were run, factory automation systems. It was a whole host of efficiencies that were driven into the industry. Then it about maybe 2011, I think it was, the industry bottomed at about 7% of WFE intensity, and it's been -- I'm sorry, 13%, 2013, and it's been on the rise ever since then.

But if we take a look at it today, 2017, it was about 12%. I think there's arguments to say that it could go higher based on a lot of the complexity we see across the device types in capital intensity increasing. But if you just keep it at 12% and you think about where the overall semiconductor industry has the potential to grow to, even modest growth rates to 2025 mean that it could be $650, $700, $750 billion industry. If you apply your 12% ratio to that aggregate industry revenue, you get to WFE numbers that are significantly north of where we are today.

So, we believe in the long-term trends that we're seeing. We believe that semiconductors are on the critical path of enabling those trends. We believe that the industry is getting more complex and hence more capital intensive and we think that we've got more opportunities in front of us than we have in the rearview mirror, so we feel good about where this has the potential to go.

Michael Sullivan -- Head of Investor Relations

Thank you, Farhan.

Operator

Thank you. Our next question is from Toshiya Hari with Goldman Sachs.

Toshiya Hari -- Goldman Sachs -- Analyst

Thanks very much for taking the question. I think historically you guys had been very good at guiding the Services business. I think for the past two quarters, you've come in significantly above your guide. I'm just wondering, has anything changed in the business from a fundamental standpoint and how should we think about sustainability of growth into the back half of the year and into 2019? Thank you.

Gary E. Dickerson -- President and Chief Executive Officer

Thanks, Toshiya. I don't think we're seeing any fundamental changes in the business. We think that this a great business for us. We feel good about where it's headed. It's a form of less volatile revenue growth. It's a more stable driver of cash flow over time, and the management team is operating this business in a very disciplined and focused way. We've seen growth above our long-term advertised growth rate of compounded 15% per year between now and 2020. At the analyst day, we'll revise that long-term forecast, but the team is executing well.

Growth is really a function of three things in this business: our install base -- we've got the largest install base in the industry; complexity is going up; service opportunity on a 300mm tool is 4X that of a 200mm tool, so the opportunity continues to grow over time as we continue to grow and ramp our semiconductor equipment business; and then the team's done a great job of driving service agreements with our customers. This is about the performance. Performance of the machine. Output, yield, capabilities, it drives better outcomes for our customers, better outcomes for us, and that partnership is reflected in the numbers that we're driving.

So, nothing fundamentally is changed. We've seen high utilizations probably driving higher parts uptake than we've seen maybe historically at lower levels of utilization throughout the industry, but it's just a disciplined, focused management team driving hard at producing good results.

Michael Sullivan -- Head of Investor Relations

Thanks, Toshiya.

Operator

Thank you. Our next question is from Vivek Arya with Bank of America Merrill Lynch.

Vivek Arya -- Bank of America Merrill Lynch -- Analyst

Thanks for taking my question. I'm just curious, when I look at your Q3 outlook, it sounds Semis would be down sequentially, which is somewhat different than the up sequential sort of guidance that we saw from some of your peers. I know these things don't always line up exactly. But just wanted to hear your views on why there would be that kind of difference in terms of sequential growth rates in the semiconductor business?

Dan Durn -- Senior Vice President, Chief Financial Officer

Absolutely. I agree. This stuff doesn't line up perfectly. Different companies will profile differently. When we take a step back, 2017 was a great year for WFE -- $48 billion. In 2018, it's going to be up, over '17. We are going to show strong double-digit growth in each of our respective businesses. First half in '18 is strong and with the inventory rebalance that we're seeing from smartphones, we're going to see a sequential dip into Q3, but from our guidance into Q4, you can see that it recovers nicely into Q4.

Fundamentals -- we've talked about it on the call. Fundamentals into 2019 look good for us. 2018 and 2019 as a combined two-year period are going to be over $100 billion. It's going to be a good year. And so we like the fundamentals and we like where the business is going, but I don't think there's too much to read into any one quarter over this period of performance.

Michael Sullivan -- Head of Investor Relations

Thanks, Vivek.

Operator

Thank you. Our next question is from Krish Sankar with Cowen & Company.

Krish Sankar -- Cowen & Company -- Analyst

Thanks for taking my question. I had a question on Display, a two-part question. One is, is it a margin differential between selling to LCD and OLED customers within Display? And if your Display earning is down 15% next year, if all of the segments are similar, how should op margins look like? Thank you.

Gary E. Dickerson -- President and Chief Executive Officer

We don't see really any difference in the margins between the OLED and TV customers. Then operating margins, Dan, do you want to cover that one?

Dan Durn -- Senior Vice President, Chief Financial Officer

The team is doing a good job of driving the operating margins. We've talked about the long-term trajectory to the high 20s and on our analyst day, we will update that long-term forecast, but the team is doing a good job of driving the operating margins.

Operator

Thank you. Our next question is from Patrick Ho with Stifel.

Patrick Ho -- Stifel Nicolaus & Co. -- Analyst

Thank you very much. Gary, maybe specifically for you, you talked about DRAM and the higher capital intensity trends that you're seeing there for equipment overall. There's more patterning steps and even new materials being used. Can you maybe go a little more in color in terms of where that's benefited your leadership segment, as well as where you believe Applied has gained share in the DRAM segment?

Gary E. Dickerson -- President and Chief Executive Officer

Thanks, Patrick. DRAM, as I said earlier, is really going to grow a significant amount for us in 2018, and we could, if you look at 2013 versus '18, have revenue growth around 5X in terms of our DRAM revenue. So, really, a significant growth. As I mentioned before on the call, in the past, we really had strength in one segment, which was foundry. That was over 20%. All the other segments were 15% or lower. We've increased our share of DRAM a huge amount.

One thing that's happening from a device standpoint, they want faster input/output to the chip. In the periphery area, you're starting to see more logic-like steps. As you said, Patrick, that benefits all of our products that we normally sell into logic: EPI, PVD, implant, thermal, CMP -- all of those areas are now seeing demand in DRAM, and especially if there's greenfield activity taking place. That puts us in a great position relative to our overall share of the DRAM spending.

We're also making gains in patterning in DRAM. New wins where we never had position, really strong gains with SIM3. So, those are the areas where we're seeing the fastest growth.

Patrick Ho -- Stifel Nicolaus & Co. -- Analyst

Thank you.

Michael Sullivan -- Head of Investor Relations

Thank you, Patrick.

Operator

Thank you. Our next question is from Edwin Mok with Needham & Company.

Edwin Mok -- Needham & Co. -- Analyst

Thanks for taking my question. My question is actually on the trading [inaudible] logic. I think you guys mentioned [inaudible] is up 20% this year. I think historically that's past not been really a big part of the business that we have heard more and more from [inaudible] that has become a really meaningful part of their business. So, what change in the trading [inaudible] is driving this growth or become a bigger piece? Customers historically buy old 2s or buy older design too. Are customers adopting the latest and greatest hardware in the [inaudible]?

Gary E. Dickerson -- President and Chief Executive Officer

Thanks, Edwin. So, the change in buying patterns we've seen in customers has really been unfolding over the better part of a decade. You would go back a decade ago, you would've seen 90% of the WFE in the foundry space on the leading edge. 10% on the trailing edge. Over time, that's evolved to 80/20, 60/40, and this year we see it evolving to 50/50. I think at the core of that is that more diversified spending is proliferation of edge devices as part of the Internet of Things requires a difference power performance envelope and you see our estimates, call it for 28 nanometer peak capacity and initially we called peak capacity at 28 nanometers, 330,000 wafer starts a month. Then it was 400, then it was 450, and now it's 500,000 wafer starts a month.

So, you can see those peak capacities beginning to expand as edge devices proliferate and you need sensors and intelligence, onboard intelligence in the those devices. So, we think it's really healthy to see this industry diversify geographically from a technology node perspective. We think it's healthy from a long-term industry perspective as well.

Michael Sullivan -- Head of Investor Relations

Thanks, Edwin.

Operator

Thank you. Our next question is from Sidney Ho with Deutsche Bank. Your line is open.

Sidney Ho -- Deutsche Bank -- Analyst

Thanks for taking my question. A few months ago, in an investor conference, Dan, you talked about the nix downturn could be a WFE going to $40 billion and that you can achieve EPS better than 2017. Can you walk us through that thought process behind that comment and what would be the biggest risk to those assumptions?

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks, Sidney. As you know from the prepared comments and the Q&A, certainly $40 billion WFE is not our view. But, of course, we plan for a wide variety of scenarios. So, if we talk through a scenario, say, that's $40 billion WFE, let's say our business is diverse, Services is more stable, it's growing well. From Gary's comment, Display will be down into 2019. And a 24% market share for lack of a better number. So 24% share in our Equipment business, Display down, Services growing, you get revenue somewhere around $16 billion.

Let's say we keep OpEx in that difficult environment. We keep OpEx the same as this year, which is probably a conservative assumption, but let's peg it to this year. Operating profit based on that revenue flow-through is something around 26.5%. And so 2019 EPS in that scenario is nicely higher than where we were in 2017. So, while we model a lot of scenarios, it's not our current view, but that's what a downside scenario could potentially look like.

Michael Sullivan -- Head of Investor Relations

Thanks, Edwin.

Operator

Thank you. Our next question is from David Wong with Wells Fargo.

David Wong -- Wells Fargo -- Analyst

Thanks very much. I'm looking at how the percent of your sales into China has been rapidly growing. I think it was 25% in the most recent quarter. Do you have any view on what your sales growth into China might be in Fiscal '19 and Fiscal '20?

Dan Durn -- Senior Vice President, Chief Financial Officer

That's for the question. China is definitely a very strong region for us. If we look at our share in Semi, Display, Service, it's one of the strongest regions. As I said earlier, '18 is going to see significant growth for Applied. We do see continued increasing investment in China, as we move forward. We don't have any specific forecast on what that will look like, but we have been seeing increasing revenue from China and growth there over the last few years. We anticipate that to go forward.

Now, we don't expect to see a hockey stick. If you look at the technology needed to participate in the leading edge, there's still some gaps there. But one of the things that we're also seeing is that the trailing geometries are growing. Dan just talked about that relevant to demand. Certainly, that's an area where China's making a lot of investment. Again, we see increased revenue there, increased demand going forward, and overall a great position for Applied.

David Wong -- Wells Fargo -- Analyst

Great. Thanks very much.

Operator

Thank you. Our next question is from Mehdi Hosseini with Susquehanna. Your line is open.

Mehdi Hosseini -- Susquehanna Financial Group -- Analyst

Thanks for taking my question. Dan, I see you had the largest incremental increase in inventory. It's the largest sequential increase for a number of years. Can you please help us understand what is driving this increase and the mix between finish goods and components?

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks, Mehdi. I think the inventory increase is a function of two things. We've got a growing business and we think that business is going to continue to grow going forward. But probably most importantly, is we have consciously brought up our inventory levels in support of our fast growing Services business in the different geographies that we're experiencing that growth, to make sure we get the right kind of customer responsiveness and the right kind of customer satisfaction from a service business that's becoming increasingly important in and of itself, but increasingly important with our customers. So, it's a conscious effort to increase service levels in a way that supports that rapid growth.

Mehdi Hosseini -- Susquehanna Financial Group -- Analyst

Thank you.

Michael Sullivan -- Head of Investor Relations

Thanks, Mehdi.

Operator

Thank you.

Michael Sullivan -- Head of Investor Relations

Operator, I think we have time for two more questions, please.

Operator

Okay, Thank you. Our next question is from Joe Moore with Morgan Stanley.

Joe Moore -- Morgan Stanley -- Analyst

Thank you. It sounded like your view of WFE overall hasn't changed that much, but you said NAND a little bit maybe lower than you thought still up for the year and DRAM a little higher. I guess what form has that lower NAND taken? Is that sort of existing projects that you had planned, that you had seen and planned that you see are being deferred? Is it someone just saying we're going to spend the same amount of money, but we're going to spend it on DRAM instead of NAND, or is it just that the year is just playing out a little bit different than you thought and nothing sort of identifiable has changed? What's the scenario that's led to NAND being a little bit lower?

Gary E. Dickerson -- President and Chief Executive Officer

I don't think you can attribute it to any one, single factor. I think it gets back to what we were saying about disciplined behavior in the market with our customers to make sure we're constantly balancing supply demand so that customers remain healthy and we can just continue with a demand-led investment environment. And so, I think it's just customers responding in a very rational, disciplined way that reflects the reality of the current market, and look, we're very close with all of our customers. You hear our views on where we think this is headed into 2019, so we feel very, very good about where we sit. I actually think the near-term behavior bodes well for the long-term health of the memory market, as well as WFE in general.

Michael Sullivan -- Head of Investor Relations

Thanks, Joe.

Operator

Thank you. Our next question is from Craig Ellis with B. Riley FBR.

Craig Ellis -- B. Riley FBR -- Analyst

Thanks for taking the question and thanks for all of the insight on the industry dynamics. I did want to, however, turn to a different issue and focus on a cash flow item. Share buyback was 2.5 billion in the quarter, so about 28% of the authorization that had been expanded 3 months ago. Dan, I was hoping you could just give us some sense for the way you're looking at executing on that program as we go forward, whether it's going to be more opportunistic or if there's some calendar or periodic element to the way you would execute on the balance of the program? Thank you.

Dan Durn -- Senior Vice President, Chief Financial Officer

Thanks, Craig. You can see the actions we've taken. We've got a view. Our markets are strong. Our position within those respective markets is probably better today than it's ever been. The company is executing well and we're generating a lot of cash. We've got a long-term track record of returning that cash to shareholders and that will continue. In June, we pay our first $0.20 dividend. We've repurchased 2.5 billion shares in the quarter, like you point out. We're going to continue to be opportunistic in the market. While I won't commit 2.5 billion every quarter, we're going to continue to be opportunistic. When we don't feel like the trading price of our stock reflects the intrinsic value of the company, we'll be in the market over time to return that cash to shareholders.

I think that general framing, that mindset, that outlook just reflects the strong confidence we have. Confidence in our industry, in the business, in our execution, and we're going to continue to look at dividend levels periodically over time and as we grow our business, continue to maintain a strong track record of returning cash to shareholders. But opportunistic approach going forward, like we've always done.

Michael Sullivan -- Head of Investor Relations

Thanks, Craig. Dan, anything else you want to add before we go ahead and close up the call today?

Dan Durn -- Senior Vice President, Chief Financial Officer

Yeah, thanks, Mike. Maybe a couple quick thoughts that we can wrap up with. I think I want to reiterate, Q2 is a record quarter. 2018 is going to be another record year for this company. The company is executing well. We're driving top line growth. We're driving margin accretion. We're driving strong cash flow, and we're driving more resources into R&D to fuel our future growth.

Breadth. Breadth is a major positive that sets us apart. In Semis, we're hitting new records. We're strong and strong across all device types. We've got a growing pipeline. These new products, they're going to deliver high performance and lower power to the market and you're going to see some of these new products here in the very near future.

We're growing beyond Semi. While Display investments are shifting out in time, it's being offset by tremendous growth in our services business. The team has just done a fantastic job executing against that opportunity. I guess to Romit's earlier question, this is how we're offsetting that weakness in Display and still well on track to earning over $5.00 a share in 2020. We've got strong conviction, strong conviction in our markets, in the pipeline, in the execution, and backing it up with strong capital allocation -- $2.6 billion in Q2 along.

I guess before we go, I just look forward to seeing many of you at the following up coming events. Gary and I are headed to Bernstein's strategic decisions conference -- first time for Applied; at the new AI conference for investors arranged by New Street Research; and at the upcoming Cowen and BofA Merrill Lynch conferences. Thanks for joining this afternoon. We appreciate it.

Michael Sullivan -- Head of Investor Relations

Thanks, Dan. We'd like to thank everybody for joining us this afternoon. A replay of this call will be available on our website by 5:00 PST. We would like to thank you for your continued interest in Applied Materials.

Operator

With that, ladies and gentlemen, we conclude our conference. You may all disconnect. Have a wonderful day.

Duration: 60 minutes

Call participants:

Gary E. Dickerson -- President and Chief Executive Officer

Dan Durn -- Senior Vice President, Chief Financial Officer

Michael Sullivan -- Head of Investor Relations

C.J. Muse -- Evercore ISI -- Analyst

Atif Malik -- Citigroup -- Analyst

Pierre Ferragu -- New Street Research -- Analyst

Harlan Sur -- J.P. Morgan -- Analyst

Romit Shah -- Nomura Instinet -- Analyst

Timothy Arcuri -- UBS -- Analyst

Farhan Ahmad -- Credit Suisse -- Analyst

Toshiya Hari -- Goldman Sachs -- Analyst

Vivek Arya -- Bank of America Merrill Lynch -- Analyst

Krish Sankar -- Cowen & Company -- Analyst

Patrick Ho -- Stifel Nicolaus & Co. -- Analyst

Edwin Mok -- Needham & Co. -- Analyst

Sidney Ho -- Deutsche Bank -- Analyst

David Wong -- Wells Fargo -- Analyst

Mehdi Hosseini -- Susquehanna Financial Group -- Analyst

Joe Moore -- Morgan Stanley -- Analyst

Craig Ellis -- B. Riley FBR -- Analyst

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