Cowen downgraded Plug Power (NASDAQ: PLUG) from Outperform to Market Perform with a price target of $7.50 (from $5.50).

For an analyst ratings summary and ratings history on Plug Power click here. For more ratings news on Plug Power click here.

Shares of Plug Power closed at $8.00 yesterday, with a 52 week range of $0.12-$4.90.

Analyst PT Change Downgrades Hot Downgrades

Plug Power (PLUG) Bulls Deflated Heading Into Weekend (FCEL) (BLDP)March 14, 2014 2:33 PM Cowen Downgrades Plug Power (PLUG) to Market Perform; Valuation Full, But FY14 Still Has PotentialMarch 14, 2014 9:49 AM Roth Cuts Plug Power (PLUG) to Neutral; Valuation Full, N-T Risks RemainMarch 14, 2014 8:45 AM Roth Capital Downgrades Plug Power (PLUG) to NeutralMarch 14, 2014 6:40 AM