Short Sellers Launched Massive Attack on 1 Solar Stock

First Solar Inc. (NASDAQ: FSLR) saw short interest decrease by 0.4% to 6.27 million shares, which represents 8.5% of the company’s float. Days to cover rose from two to three. In the two-week short interest period through August 31, shares dropped 6.4%. The stock’s 52-week trading range is $39.18 to $73.78, and it closed at $48.22 on Thursday, up about 1% for the day.

SunEdison Inc. (NYSE: SUNE) showed an increase of 2.5% in short interest, to 90.33 million shares. About 28.9% of the company’s float was short, and days to cover remained unchanged at two. In the latest two-week short interest reporting period, the share price tumbled by nearly 31%. The stock closed at $11.26 Thursday night, down nearly 6% for the day, in a 52-week range of $8.10 to $33.45. The company has received the equivalent of Buy ratings from two analyst firms this week, and the increase in short positions was a factor of 10 below the gain in the previous two-week period. The stock may have touched bottom.

SunPower Corp. (NASDAQ: SPWR) short interest fell by 1.5% to 6.94 million shares, or 12.2% of the company’s float. In the two-week short interest period to August 31, the share price declined by about 1%. The stock’s 52-week range is $18.25 to $38.6, and it closed at $23.25 on Thursday, down about 2.2% for the day. Days to cover remained unchanged at four.

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SolarCity Corp. (NASDAQ: SCTY) saw a short interest rise of 9.7% to 28.5 million shares, or 47.9% of the company’s total float. Days to cover fell from seven to six. In the two-week short interest period, the share price fell about 3.6%. The stock’s 52-week range is $34.65 to $75.90, and shares closed at $48.12 on Thursday, up about 2.1% for the day.

Canadian Solar Inc. (NASDAQ: CSIQ) saw a rise of 76.6% in short interest in the two-week period. Some 13.8% of the total float, 5.87 million shares, were short, and days to cover remained unchanged at one. The company’s shares rose fell nearly 24% over the two-week period. Shares closed Tuesday at $19.37, up about 1% for the day, in a 52-week range of $14.16 to $40.82. The sharp rise in short interest could be due to concerns among investors about eroding margins once the company completes some large projects later this year.

FuelCell Energy Inc. (NASDAQ: FCEL) had a rise of 0.3% in short interest during the two-week period. About 16.9% of the company’s float, 43.14 million shares, was short, and days to cover rose from 19 to 31. In the two-week short interest period, the shares added about 1.7%. The stock closed at $0.96 on Tuesday, up about 3.2% for the day, in a 52-week range of $0.64 to $2.51.

Plug Power Inc. (NASDAQ: PLUG) saw short interest decrease by 0.7% to 33.96 million shares. Days to cover fell from 10 to eight, and about 19.7% of the company’s shares were short. In the two weeks to August 31, the stock’s share price fell by about 25%. The stock’s 52-week range is $1.56 to $5.48, and shares closed Tuesday at $1.69, down about 0.6% for the day.

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Clean Energy Fuels Corp. (NASDAQ: CLNE) saw a rise of 5.2% in short interest to 18.61 million shares. About 26.4% of the company’s float was short, and days to cover rose from 10 to 11. Shares added about 5.6% in the two-week period to August 31. The stock closed at $4.75, down about 0.6%, on Thursday, in a 52-week range of $3.73 to $10.48.

Pacific Ethanol Inc. (NASDAQ: PEIX) saw short interest rise by 7.1% in the two-week period to 3.04 million shares, about 7.5% of the company’s float. Days to cover rose from three to four. The stock price fell by about 8.8% in the final two weeks of August. The stock closed at $7.19 on Thursday, down about 0.6% on the day, in a 52-week range of $6.11 to $21.75.