NASDAQ SHORT INTEREST DATA:

Cadence Pharmaceuticals, Inc. (NASDAQ: CADX) saw a 1% gain in the short interest to 13,754,125 shares with nearly 40% of its float short and a days to cover ratio of 52.92 days.

Diamond Foods, Inc. (NASDAQ: DMND) saw a 1% gain in the short interest to 8,406,601 shares with some 39% of its float short and its days to cover ratio was 32.48 days. 

Tesla Motors, Inc. (NASDAQ: TSLA) saw a 2% rise in its short interest to 21,189,149 shares with some 43% of its float short and its days to cover is 30.76 days.

Odyssey Marine Exploration, Inc. (NASDAQ: OMEX) saw almost a 1% gain in the short interest to 11,491,304 shares with almost 17% of its float short and with a days to cover ratio of 29.9 days.

Pacer International, Inc. (NASDAQ: PACR) saw nearly a 2% rise in the short interest to 6,476,410 shares with almost 19% of its float short and with a 28.21 days to cover ratio.

MannKind Corporation (NASDAQ: MNKD) is a perpetually highly-shorted name for its inhalable diabetes treatment.  That is more than 31% of its float short and days to cover is 27.44 days.  That is the highest short interest in more than a year but it is not the highest days to cover ratio at all.

Wave Systems Corporation (NASDAQ: WAVX) saw a 3% gain in the short interest to 8,648,927 shares, which is 10.5% of its float and it has a days to cover ratio of about 25.36 days.

Energy Conversion Devices, Inc. (NASDAQ: ENER) is surprising to see  such a small gain considering its past in alternative energy.  It had a gain of 0.6% in the short interest to 14,309,334 shares.  This comes to 27.3% of its float short but was a big jump in the days to cover ratio to 24.56 days.

NutriSystem Inc. (NASDAQ: NTRI) is usually heavily bet against as it is a diet stock that is down massively from its old highs.  There was almost a 3% gain in the short interest to 6,534,480 shares.  This comes to 25.6% of its float and the days to cover was the highest since February at 24.03 days.

Zix Corporation (NASDAQ: ZIXI) saw a 2.1% rise in the short interest to 7,641,433 shares.   Zix had about 12% of its float short and this was also more than a year high by far on the days to cover ratio at 23.69 days.