Ratings on Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR), SunPower Co. (NASDAQ: SPWRA), Tengion (NASDAQ: TNGN) and Vertro Inc (NASDAQ: VTRO) were downgraded by analysts.
Citadel Securities downgraded Questcor Pharmaceuticals, Inc. (QCOR) from a “buy” rating to a “neutral” rating.
ThinkEquity downgraded SunPower Co. (SPWRA) from a “buy” rating to a “hold” rating.
Leerink downgraded Tengion (TNGN) to a “market perform” rating.
Craig Hallum downgraded Vertro Inc (VTRO) to an “accumulate” rating.
Showing posts with label Tengion. Show all posts
Showing posts with label Tengion. Show all posts
Friday, May 13, 2011
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