Top Analyst Upgrades & Downgrades (AET, AUO, COWN, MAR, MDT, MSFT, NUS, SNDK, WY, YHOO)

Jon C. Ogg

These are some of this Monday’s top analyst calls with upgrades, downgrades, and initiations seen from Wall Street firms:

Aetna Inc. (NYSE: AET) Cut to Neutral at UBS.
AU Optronics Corp. (NYSE: AUO) Cut to Hold at BNP Paribas.
Cowen Group Inc. (NASDAQ: COWN) Cut to Market Perform at KBW.
Marriott International, Inc. (NYSE: MAR) Cut To Market Perform at Wells Fargo.
Medtronic, Inc. (NYSE: MDT) Raised to Outperform at BMO.
Microsoft Corporation (NASDAQ: MSFT) Raised to Buy with $30 target at Janney.
Nu Skin Enterprises Inc. (NYSE: NUS) Started as Overweight at JPMOrgan.
SanDisk Corp. (NASDAQ: SNDK) Raised to Buy at UBS.
Weyerhaeuser Co. (NYSE: WY) Raised to Buy at UBS.
Yahoo! Inc. (NASDAQ: YHOO) Raised to Buy at Needham.