Analysts at Oppenheimer downgraded Somaxon Pharmaceuticals Inc (NASDAQ:

) from “outperform” to “perform.” SOMX's shares closed at $0.92 yesterday. Somaxon Pharmaceuticals' trailing-twelve-month operating margin is -614.60%. Wunderlich downgraded NextEra Energy Inc (NYSE:

) from “buy” to “hold.” NEE's shares closed at $55.00 yesterday. NextEra Energy's trailing-twelve-month ROA is 3.52%. Travelzoo Inc (NASDAQ:

) was downgraded by Morgan Keegan from "outperform" to "market perform." TZOO's shares closed at $34.77 yesterday. Travelzoo's trailing-twelve-month ROE is -4.23%. Analysts at Bank of America downgraded American Electric Power Company Inc (NYSE:

) from “buy” to “neutral.” AEP's shares closed at $38.24 yesterday. American Electric Power's PEG ratio is 3.07.