MannKind Corporation(NASDAQ:MNKD) shares increased 17.35% to $6.29. The company on May 9 posted financial results for the first quarter ended March 31, 2013.

Plug Power Inc., (Nasdaq: PLUG) has closed on the sale of 10,431 shares of its preferred stock to Paris, France-based Air Liquide.

Plug Power (the "Company") business highlights in the first quarter of 2013 include product shipments to customers such as Lowes, P&G, and Sysco.

Plug Power Inc. (Nasdaq: PLUG) reported an operating loss of $6.4 million for the first quarter. This is an improvement over the first quarter of 2012, when the Latham, NY company, which makes the fuel cells that large companies use to power fork lifts ...

Miami, FL 05/13/2013 (GDPInsider) - Plug Power Inc (NASDAQ:PLUG) is up by 6.48% in today's and currently trading at $0.245, after starting its day with a value of $0.23.

Willbros Group Inc (NYSE:WG) shares declined 8.61% to $7.22. The company on May 8 announced results from continuing operations for the first quarter of 2013.

Hartford, CT 05/10/2013 (GDPInsider) - Pain Therapeutics, Inc. (NASDAQ:PTIE) is down by about 48.87% after hitting a high of $2.84 during the day, and is now hovering at $2.72.

Plug Power Inc (NASDAQ:PLUG) shares increased 3.96% to $0.260. The company, on May 8, announced a $6.5 million (Euro 5 million) strategic investment from its partner Air Liquide, which includes a preferred stock purchase, increased ownership of the ...

Hartford, CT 05/09/2013 (GDPInsider) - Thompson Creek Metals Company Inc (USA) (NYSE:TC) escalated 16.41% to $3.76. Its opening share price was $3.49 as compared to the previous days share closing price of $3.23.

Northern, WI 05/08/2013 (GDPInsider) - Plug Power Inc. (NASDAQ:PLUG) is enjoying a stellar day in trading today after opening at 0.18.