The Nasdaq is Up 20% Halfway Through 2024. Here's What History Says Could Happen in the Second Half.

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This year has been impressive for two of the U.S. stock market's top three indexes. The S&P 500 is up over 15%, but the Nasdaq Composite is leading the charge, up over 20%.

Following the Nasdaq's first-half run, investors have been both optimistic and skeptical. Some think the index will continue its run, and others believe it's due for a pullback at some point this year. Nobody can say for certain how the rest of the year will play out, but you can turn to history to get a bit of perspective.

What has fueled the Nasdaq's gains this year?

The Nasdaq Composite is an index that tracks the performance of every stock on the Nasdaq stock exchange. Although it contains companies from virtually all major sectors, the tech sector has fueled much of its growth this year. More specifically, its top seven holdings are leading the way.

Using the Fidelity Nasdaq Composite ETF (NASDAQ: ONEQ) as a benchmark, here are the top seven holdings and roughly how much of the index they account for:

  • Microsoft: 11.37%

  • Apple: 10.95%

  • Nvidia: 10.11%

  • Alphabet: 7.39%

  • Amazon: 6.76%

  • Meta Platforms: 3.78%

  • Broadcom: 2.26%

Although the Nasdaq contains over 3,100 companies, it's highly concentrated in its top holdings. This has worked out in its favor, as those companies (except for Apple) have significantly outpaced the broader market so far in 2024.

MSFT Chart
MSFT data by YCharts.

When seven companies make up around 52% of an index, and the worst-performing of them is still up by a double-digit percentage for the year, it's bound to produce good results (albeit with added risk).

What the historical data says about how the Nasdaq might finish 2024

It's important to stress that trying to predict short-term movements in the stock market is a fool's game. Nobody -- regardless of "expertise" or resources -- can accurately forecast how the stock market will perform.

You might think you can, by making rational assumptions, but the stock market itself is notoriously irrational, so that's never guaranteed. That said, looking at history for insight is never a bad idea as long as you don't use it to make definitive predictions.

Over the past decade, here are the Nasdaq Composite's returns through the first half of the year and where it ended to finish the year:

Year

First Half Returns

End of Year Returns

2023

32%

43.4%

2022

(29.5%)

(33.1%)

2021

12.5%

21.4%

2020

12.1%

43.6%

2019

20.7%

35.2%

2018

8.8%

(3.9%)

2017

14.1%

28.2%

2016

(3.3%)

7.5%

2015

5.3%

8.4%

2014

5.5%

15%

Data source: Macrotrends. Table by author.

In 8 of the last 10 years, the Nasdaq has climbed higher in the back half of the year and finished stronger. That's encouraging news for investors, especially since many of the top companies leading the index are full of momentum that could carry through the rest of the year and beyond.