Today's noteworthy upgrades include: Aerie Pharmaceuticals (AERI) upgraded to Buy from Hold at Canaccord... Amedisys (AMED) upgraded to Buy from Hold at Jefferies... Consolidated Edison (ED) upgraded to Hold from Sell at Evercore ISI... Delta Air Lines (DAL) upgraded to Outperform from Peer Perform at Wolfe Research... Deutsche Bank (DB) upgraded to Neutral from Underperform at Exane BNP Paribas... EP Energy (EPE) upgraded on better than expected well economics at SunTrust... Encana (ECA) upgraded to Outperform from Market Perform at BMO Capital... Energy Transfer Partners (ETP) upgraded to Buy at BofA/Merrill... Erickson (EAC) upgraded to Outperform from In-Line at Imperial Capital... Fiserv (FISV) upgraded on growth opportunities, margin outlook at Oppenheimer... IPC Healthcare (IPCM) upgraded to Buy from Hold at Jefferies... Mack-Cali Realty (CLI) upgraded on valuation at Stifel... Micron (MU) upgraded to Buy on sustainable margins and capex at Topeka... NuStar Energy (NS) upgraded to Buy from Neutral at BofA/Merrill... NuStar GP Holdings (NSH) upgraded to Buy from Neutral at BofA/Merrill... Ramco-Gershenson (RPT) upgraded to Outperform from Neutral at Baird... Retail Opportunity (ROIC) upgraded to Outperform from Market Perform at Raymond James... Royal Dutch Shell (RDS.A) upgraded to Outperform from Sector Perform at RBC Capital... Smith & Wesson (SWHC) upgraded to Outperform from Sector Perform at RBC Capital... Sovran Self Storage (SSS) upgraded to Buy from Hold at Cantor... Springleaf (LEAF) upgraded to Outperform from Neutral at Macquarie.