First Solar Inc. (NASDAQ: FSLR) saw short interest fall by 3.3% to 5.56 million shares, which represents about 7.2% of the company’s float. Days to cover fell from four to one. In the two-week short interest period, the stock’s share price rose by about 16.4%. Its 52-week trading range is $25.56 to $62.57, and it closed at $60.54 on Thursday, down about 2% for the day.
SunPower Corp. (NASDAQ: SPWR) short interest decreased by 5% to 12.81 million shares, or 21.7% of the company’s float. In the interest period, the share price rose by about 2.5%. The 52-week range is $5.84 to $11.70, and shares closed at $8.56 on Thursday, down about 1.8% for the day. Days to cover dipped from eight to five.
Canadian Solar Inc. (NASDAQ: CSIQ) saw an increase of 4.3% in short interest during the two weeks to October 31. Some 11.5% of the total float, or 5.1 million shares, were short and days to cover fell from seven to five. The company’s share price rose by about 9.7% over the period. Shares closed Thursday at $16.84, down nearly 11% for the day, in a 52-week range of $10.36 to $19.09. The company reported third-quarter earnings Thursday, and investors were looking for more than the firm delivered.
FuelCell Energy Inc. (NASDAQ: FCEL) posted an increase of 13.3% in short interest during the period. Some 8.01 million shares were short as of October 31. The stock closed at $1.99 on Thursday, down more than 11% for the day, in a 52-week range of $0.80 to $3.25. Shares traded up nearly 1% in the two-week period, and days to cover rose from two to six.
Plug Power Inc. (NASDAQ: PLUG) saw short interest rise by 0.9% to 33.82 million shares. Days to cover rose from four to eight and about 15% of the company’s shares were short. In the latter weeks of October, the share price slipped by about 0.7%. The stock’s 52-week range is $0.83 to $3.21, and shares closed Thursday at $2.51, down more than 13% for the day.
Clean Energy Fuels Corp. (NASDAQ: CLNE) saw a small decline of about 0.2% in short interest to 8.47 million shares. About 6.6% of the company’s float was short, and days to cover remained unchanged at 12. The share price fell by about 2.7% in the two-week period. The stock closed at $2.10 on Thursday, unchanged on the day, in a 52-week range of $1.98 to $3.83.
Pacific Ethanol Inc. (NASDAQ: PEIX) saw short interest fall by 13.2% in the period to 1.2 million shares, about 2.8% of the company’s float. Days to cover remained at four. The stock price dropped about 7.7% in the two weeks. Shares closed at $4.70 on Thursday, down about 1% on the day, in a 52-week range of $4.15 to $10.95.