Plug Power Inc (NASDAQ:PLUG)’s short interest reached a 2 1/2-year high of 10.6 per cent of shares outstanding on March 10, up from 2.4 per cent in September, according to data from Markit Group Ltd., a London-based research group. Plug Power Inc (NASDAQ:PLUG) stock performance was 12.77% in last session and finished the day at $6.80. Traded volume was 140,464,272 million shares in the last session and the average volume of the stock remained 35.48 million shares. The beta of the stock remained 1.23. Plug Power Inc (NASDAQ:PLUG) insider ownership is 4.90%.

Shares of Corning (NYSE:GLW) were the target of unusually large options trading activity on Wednesday. Investors purchased 78,441 put options on the company, AnalystRatingsNetworkreports. Corning Incorporated (NYSE:GLW) rose 0.21 percent to $19.30 yesterday on volume of 8.51 million shares. The intra-day range of the stock was $19.13 to $19.38. Corning Incorporated (NYSE:GLW) has a market capitalization of $26.87 million.

American Superconductor Corporation (NASDAQ:AMSC) entered into an Exchange Agreement with the holder of the Company’s Senior Convertible Note (the “Note”) issued on December 20, 2012, pursuant to which the parties agreed that the Note will be exchanged for 6,627,267 shares of the Company’s common stock, par value $0.01 per share (“Common Stock”), at a closing to be held on or prior to March 5, 2014. American Superconductor Corporation (NASDAQ:AMSC)’s stock on Mar 12, 2014 reported a decrease of -3.46% to the closing price of $ 2.23. Its fifty two weeks range is $1.37 -$3.06. The total market capitalization recorded $151.95 million. The overall volume in the last trading session was 1,384,446 million shares. In its share capital, American Superconductor Corporation (NASDAQ:AMSC) has 62.31 million outstanding shares.

MicroVision, Inc. (NASDAQ:MVIS) a leader in innovative ultra-miniature projection display technology, announced that it has received a letter from Nasdaq confirming that as of March 6, 2014 the company has regained compliance with Listing Rules. On Wednesday, shares of Microvision, Inc. (NASDAQ:MVIS) dropped -1.38% to close the day at $2.15. Company return on investment (ROI) is -438.50% and its monthly performance is recorded as 72.00%. Microvision, Inc. (NASDAQ:MVIS) quarterly revenue growth is 65.38%.