BALTIMORE ( Stockpickr) -- Don't let new highs in the Dow and the S&P 500 fool you; investors still don't like stocks right now. And they downright hate some of them. As I write, investor confidence in stocks is still struggling. In spite of a 10% rally in the S&P 500 so far in 2013 (after a 13.4% climb in 2012), the fact is that most investors are still sitting on the sidelines right now -- and the ones that aren't are sitting on the edge of their seats waiting for any excuse to liquidate. I've said before that I think that's a bullish factor for stocks right now. >>5 Hated Earnings Stocks That Deserve Your Love But investors' apathy about the market isn't what's tradable in April; for that, we've got to turn to the names that investors hate. When I say that investors "hate" a stock, I'm talking about its short interest. A stock with a high level of shorting indicates that there are a lot of people willing to bet on a decline in its share price -- and not many willing to buy. But my research shows that that's historically been a pretty good gain indicator. Going back over the last decade, buying heavily shorted large and mid-cap stocks (the top two quartiles of all shortable stocks by market capitalization) would have beaten the S&P 500 by 9.28% each and every year. That's some material outperformance during a decade when decent returns were very hard to come by. >>5 Stocks Poised for Breakouts It's worth noting, though, that market cap matters a lot -- short sellers tend to be right about smaller names, with micro-caps delivering negative returns when the same method was used. Today, we'll replicate the most lucrative side of this strategy with a look at five big-name stocks that short sellers are piled into right now. These stocks could be prime candidates for a short squeeze in 2013. In case you're not familiar with the term, a "short squeeze" is the buying frenzy that ensues when a heavily shorted stock starts to look attractive again to investors, causing share price to skyrocket. One of the best indicators of just how high a short-squeezed stock could go is the short interest ratio, which estimates the number of days it would take for short-sellers to cover their positions. The higher the short ratio, the higher the potential profits when the shorts get squeezed. >>5 Rocket Stocks to Buy as the S&P Rebounds Naturally, these plays aren't without their blemishes -- there's a reason (economic or otherwise) that these stocks are hated. But for investors looking for exposure to a speculative play with a beefier risk/reward tradeoff, the data tells us that these could be powerful upside plays for the coming year. Without further ado, here's a look at our list of large-cap short squeeze opportunities. >>Trade These 5 Huge Stocks for Gains
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