For those interested, below is a list of the most heavily shorted stocks as a percentage of float in the Russell 1,000. When markets go up, these stocks typically outperform. When markets go down, they usually lead the declines.
As shown, Tesla Motors (NASDAQ:TSLA) is by far the most heavily shorted stock in the Russell 1,000 with 64.4% of its float sold short. Alliance Data (NYSE:ADS) ranks a distant second at 36.6%, followed by Green Dot (NYSE:GDOT), Ciena (NYSE:CIEN), and J Crew (JCG). Other notables on the list include NetFlix (NASDAQ:NFLX), First Solar (NASDAQ:FSLR), and Garmin (NASDAQ:GRMN).