UPGRADES
JMP Securities upgrades Hewlett-Packard (NYSE: HPQ) from Market Perform to Outperform.

RBC Capital upgrades Rio Tinto plc (NYSE: RTP) from Sector Perform to Outperform.

Morgan Stanley upgrades Melco Crown Entertainment Ltd. (Nasdaq: MPEL) from Equal Weight to Overweight and raised their price target to $5.

Caris upgrades Zumiez (Nasdaq: ZUMZ) from Above Average to Buy with a $25 price target, following SSS after the close.

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

DOWNGRADES
Citi downgrades PPL Corp (NYSE: PPL) from Buy to Hold. PT lowered from $30.50 to $28.50. Click Here for more color.

RBC Capital downgrades Vale