Some think this is just a mild pullback in an ongoing bull market.
Others think this is the beginning of a big sell-off.
In Goldman Sachs' new "Hedge Fund Trend Monitor" report, Amanda Schneider lists out the 50 favorite short positions of the 708 hedged funds that the firm follows.
"The [Very Important Short Position] returned 17% YTD in 2013, providing a better return than shorting S&P 500 (19.5%)," said Schneider.
We ranked the top 24