(Reuters) - Plug Power Inc said it bought fuel-cell stack maker ReliOn Inc for about $4 million in an all-stock deal, as the company looks to diversify its supplier base. Plug Power shares rose 4.5 ...

Plug Power Inc. (NASDAQ:PLUG) is one of the 13 Best American Penny Stocks to Invest In. On February 4, Plug Power Inc. (NASDAQ:PLUG) announced that it has completed the first hydrogen fill of ...

April 2 (Reuters) - Plug Power Inc said it bought hydrogen fuel-cell stack technology provider ReliOn Inc for about $4 million in an all-stock deal. Plug Power said it expects the acquisition to add ...