Upgrades:
Advance America, Cash Advance Centers (NYSE: AEA) from Hold to Buy; Burger King Holdings (NYSE: BKC) from Sell to Hold; Ciena Corp. (NASDAQ: CIEN) from Hold to Buy; Extreme Networks (NASDAQ: EXTR) from Sell to Hold; Infospace Inc. (NASDAQ: INSP) from Strong Sell to Sell; Integral Systems (NASDAQ: ISYS) from Sell to Hold; Integrated Device Technology (NASDAQ: IDTI) from Hold to Buy; Micrel Inc. (NASDAQ: MCRL) from Sell to Buy; Opnext Inc. (NASDAQ: OPXT) from Buy to Strong Buy; Par Pharmaceutical Companies (NYSE: PRX) from Buy to Strong Buy; United Microelectronics (NYSE: UMC) from Strong Sell to Sell; Western Digital Corp. (NYSE: WDC) from Buy to Strong Buy;

Downgrades:
AGL Resouces (NYSE: ATG) from Buy to Hold; AZZ Inc. (NYSE: AZZ) from Strong Buy to Buy; Covance Inc. (NYSE: CVD) from Hold to Sell; Darden Restaurants Inc. (NYSE: DRI) from Strong Buy to Hold; Finisar Corp. (NASDAQ: FNSR) from Hold to Sell; FirstEnergy Corp. (NYSE: FE) from Strong Buy to Buy; Grubb & Ellis (NYSE: GBE) from Hold to Strong Sell; Newfield Exploration (NYSE: NFX) from Sell to Strong Sell; Pantry Inc. (NASDAQ: PTRY) from Hold to Sell; Schulman Inc. (NASDAQ: SHLM) from Buy to Hold; Source Interlink Companies (NASDAQ: SORC) from Buy to Hold; Unifirst Corp. (NYSE: UNF) from Buy to Hold;