Philip Pearlman Philip Pearlman Phil is the Interactive Editor at Yahoo Finance and runs the Contributors program. Most Recent Fat zapper: Stock to short or the real thing? ZELTIQ Aesthetics, Inc (ZLTQ) is a medical technology company that makes non-invasive fat reduction products. The shorts have been piling into the stock but they might be misguided says Brian Shannon of AlphaTrends Yahoo Finance contributor Carl Icahn joins Tumblr Yahoo Finance launches new contributor network on Tumblr. 38 experts all in one place. Does bloodletting in the 'fab five' momentum stocks spell doom for the broader market? Sorry bulls, the recent drubbing in high-flying large-cap stocks will likely lead the market lower over the intermediate term. Stakes rise for bitcoin backers as hackers attack Over the last week, thefts have been reported at three different bitcoin sites, one of which was the first exchange and at one time the largest. This Bull Market Could Last Another 15 Years Secular bulls last much longer than 5 years Is the Mt. Gox failure bullish for bitcoin? Expectations of Mt. Gox's failure have been building for weeks. Now that it is finally evident, perhaps the price of the crypto-currency can move higher. The 'fab five' stocks for 2014 — and why they matter The Fab Five Stocks of 2014 & Why They Are Important. These five names are leading the market higher. They will help you discern whether the bull continues. Relax! Twitter is not about to ruin your timeline The thing that got lost in all the noise, of course, is that the test design does make any changes to the Twitter Timeline. How does Apple get its mojo back? While Apple is one of the great companies in history, it seems like it is beginning to lose its way. Here's 6 things Apple needs to do to get back on track. 2014 Predictions from Some of the Smartest Market Watchers Here's a collection of predictions from some notable friends who are willing to put themselves on record. Following sharp surge, Twitter shares see swift decline Twitter (TWTR) closed sharply lower Friday, falling $9.54 or 13% on almost 58 million shares. The slide comes after an extraordinary rally that saw Twitter shares rise more than 150% from the original offering price of $26 at the IPO less than two months ago. As Bitcoin Surges, Here's How It Compares to Gold Bitcoin has increased in value by 460% year to date while gold has lost 23%. Maybe this is just a coincidence or, perhaps, this is what the death of old physical currencies and the birth of new electronic currencies look like Justin Beiber, Katy Perry and Twitter's Biggest Risk Publicly traded social media companies like Twitter and Facebook might be more dependent upon the biggest celebrities who could potentially seek to back their own unbundled applications. The 10 Greatest Tweets of All Time Here are ten of the greatest tweets of all time showcasing such breadth infused with wit, irony, surprise and serendipity.