Short Sellers Still Focused on 1 Solar, 1 Alt Energy Stock

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Short interest moves among solar and alternative energy stocks were mixed during the two-week reporting period that ended on September 14.  Of the companies we watch, short interest slipped on two of three solar stocks and rose on three of five alternative energy stocks.

First Solar Inc. (NASDAQ: FSLR) saw short interest rise by 15.7% to 5.14 million shares, which represents about 6.9% of the company’s float. Days to cover rose from four to five. In the two-weeks through September 14, the stock’s share price fell by 6.8%. Its 52-week trading range is $45.26 to $81.72, and it closed at $49.65 on Tuesday, down about 1.2% for the day.

SunPower Corp. (NASDAQ: SPWR) short interest decreased by 8.6% to 18.15 million shares, or 29.8% of the company’s float. In the two-week short interest period, the share price dipped by 0.9%. The stock’s 52-week range is $6.36 to $10.00, and it closed at $7.72 on Tuesday, down about 0.8% for the day. Days to cover were unchanged at 14.

Canadian Solar Inc. (NASDAQ: CSIQ) saw a slight drop of 0.1% in short interest during the period. Some 6.3% of the total float, or 2.81 million shares, were short, and days to cover rose from three to six. The company’s shares traded up 2.9% over the two weeks. They closed Tuesday at $14.66, down about 1.1% for the day, in a 52-week range of $11.37 to $19.09.

Bloom Energy Corp.’s (NYSE: BE) short interest fell by 4% in the two weeks to September 14. Some 2.33 million shares were short, representing 13.5% of the company’s total float. Days to cover rose from three to four, and the stock dropped about 1.3% to its price during the period. Shares closed Tuesday at $34.08, up 5.7% for the day, in a 52-week range of $18.50 to $34.88. The high was posted Tuesday.

FuelCell Energy Inc. (NASDAQ: FCEL) posted a gain of 4.2% in short interest during the two-week period. Some 10.29 million shares were short as of September 14. The stock closed at $1.13 on Tuesday, up about 5.6% for the day, in a 52-week range of $1.00 to $2.49. Shares traded down about 7.6% in the short interest period, and days to cover fell from 12 to nine.

Plug Power Inc. (NASDAQ: PLUG) saw short interest rise by 6.2% to 35.98 million shares. Days to cover were unchanged at 12, and about 17% of the company’s shares were short. In the two weeks to September 14, the share price fell by about 6.9%. The stock’s 52-week range now is $1.53 to $3.21, and shares closed Tuesday at $1.97, up about 4.8% for the day.

Clean Energy Fuels Corp. (NASDAQ: CLNE) had an increase of 11.3% in short interest to 3.56 million shares. About 2.6% of the company’s float was short, and days to cover rose from three to four. The share price dropped by 2.5% in the two-week period. The stock closed at $2.70 on Tuesday, down about 1.1% for the day, in a 52-week range of $1.31 to $4.05.

Pacific Ethanol Inc. (NASDAQ: PEIX) saw short interest fall by 0.7% in the two-week period to 859,540 shares, which is about 2% of the company’s float. Days to cover rose from two to three. The stock price tumbled by about 14.9% in the first two weeks of September. Shares closed at $1.95 on Tuesday, down 2.5% for the day, in a 52-week range of $1.55 to $6.06.