Why Plug Power Stock Popped 5% Today

Shares of fuel cell pioneer Plug Power (NASDAQ: PLUG) closed 4.7% higher in Tuesday trading, and just like yesterday, this appears to be a case of "pin action" -- Plug Power stock benefiting from good news that actually relates more directly to an entirely different fuel cell company.

Yesterday, it was a positive analyst note concerning Ballard Power and its ability to benefit from "green energy" stimulus programs that seemed to lift Plug stock. Today, it's a big insider buy at Bloom Energy (NYSE: BE) -- former GE CEO Jeffrey Immelt laying out $1 million-plus for Bloom shares -- that seems to be getting investors optimistic about Plug stock.

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Source Fool.com