UPGRADES:
Detusche Bank upgrades Alcoa (NYSE: AA) from Hold to Buy. Click here for the full report.

Credit Suisse upgrades China Unicom (NYSE: CHU) to Outperform.

JP Morgan upgrades Big Lots (NYSE: BIG) from Neutral to Overweight. Price target $30.

Sanford Bernstein raised its investment rating on Baker Hughes (NYSE: BHI) from Market Perform to Outperform.

FTN Capital upgrades OfficeMax (NYSE: OMX) from Neutral to Buy. Price target $18.

Collins Stewart upgrades Force Protection (Nasdaq: FRPT) to Buy. Price target $7. Click here to see some more color on the upgrade.

For daily real-time Upgrades go to http://www.streetinsider.com/Upgrades

DOWNGRADES:
JPMorgan downgrades