Mid-Day Market Update: Tuesday's Top Shorted Stocks

The Dow Jones Industrial Index dwindled 0.21 percent, the S&P 500 tumbled 0.28 percent, the NASDAQ Composite declined 0.53 percent, and the US Dollar Index was up 0.17 percent in Tuesday’s midday session.

The following were some of the top short-interest ratio stocks in the session:
Sears Holdings Corp SHLD had ~14.37 million short interest shares, representing a whopping 79.35 short percentage of float. The average daily share volume were ~909,649 shares.
Caesars Entertainment Corp CZR had ~15.87 million short interest shares, a 45.39 short percentage of float. The average daily share volume were ~2.95 million.
MannKind Corporation MNKD had ~116.06 million short interest shares, a 43.97 short percentage of float. The average daily share volume were ~6.12 million shares.
Ariad Pharmaceuticals Inc ARIA had ~43.85 million short interest shares, way above its average daily volume of ~3.71 million shares.
Advanced Micro Devices Inc AMD had ~157.66 million short interest shares, way above its average daily volume of ~16.23 million shares.
BlackBerry Limited BBRY had ~105.01 million short interest shares, above its average daily volume of ~7 million shares.
FuelCell Energy Inc FCEL had ~42.68 million short interest shares, above its average daily volume of ~1.62 million shares.
Keryx Biopharmaceuticals KERX had ~35.03 million short interest shares, above its average daily volume of ~1.88 million shares.
VIVUS Inc VVUS had ~34.53 million short interest shares versus its average daily volume of ~1.34 million shares.
Plug Power Inc PLUG had ~34.45 million short interest shares versus its average daily volume of ~1.86 million shares.
Capstone Turbine Corporation CPST had ~32.82 million short interest shares versus its average daily volume of ~1.48 million shares.