Today's noteworthy upgrades include: Adobe (ADBE) upgraded to Overweight from Neutral at Atlantic Equities... Amerseco (AMRC) upgraded to Outperform from Perform at Oppenheimer... Analog Devices (ADI) upgraded on valuation, long-term outlook at BMO Capital... CF Industries (CF) upgraded to Market Perform from Underperform at Cowen... Diplomat Pharmacy (DPLO) upgraded to Neutral from Underperform at BofA/Merrill... Dyax (DYAX) upgraded to Outperform from Market Perform at Leerink... Empire District Electric (EDE) upgraded to Buy from Neutral at Ladenburg... Encana (ECA) upgraded to Buy from Hold at Deutsche Bank... HeartWare (HTWR) upgraded to Neutral from Sell at Goldman... Intel (INTC) upgraded to Buy from Hold at Summit Research... Intrepid Potash (IPI) upgraded to Market Perform from Underperform at Cowen... McDonald's (MCD) upgraded to Buy from Neutral at Cleveland Research... Royal Dutch Shell (RDS.A) upgraded to Buy from Hold at Argus... SAP (SAP) upgraded to Buy from Hold at HSBC... Sky (SKYAY) upgraded to Outperform from Underperform at Credit Suisse... Taubman Centers (TCO) upgraded to Outperform from Market Perform at Cowen... VF Corp. (VFC) upgraded to Overweight after teen survey at Piper Jaffray... Vivendi (VIVHY) upgraded to Conviction Buy from Buy at Goldman.