UPDATE: Cowen Upgrades Plug Power (PLUG) to Outperform

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PLUG POWER (NASDAQ: PLUG) Delayed: 2.84 -0.02 (0.7%)
Previous Close $2.86    52 Week High $2.35 
Open $2.86    52 Week Low $1.18 
Day High $2.88    P/E N/A 
Day Low $2.81    EPS $-0.73 
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