Top 10 Analyst Upgrades and Downgrades (AA, AONE, CROX, EXPE, HBAN, KEY, PCLN, RF, RHT, UNH)
These are this Tuesday’s top analyst upgrades, downgrades, and initiations seen in Wall Street research calls: Alcoa Inc. (NYSE: AA) Cut to Neutral at UBS. A123 Systems, Inc. (NASDAQ: AONE) Raised to…