Today's noteworthy downgrades include: Abercrombie & Fitch (ANF) downgraded to Sell from Neutral at Janney Capital... Airgas (ARG) downgraded to Underperform from Outperform at CLSA... Alumina (AWCMY) downgraded to Equal Weight from Overweight at Morgan Stanley... ArcBest (ARCB) downgraded to Underperform from Neutral at BofA/Merrill... Broadcom (BRCM) downgraded to Neutral from Positive at Susquehanna... Centerra Gold (CAGDF) downgraded to Sell from Neutral at UBS... Con-way (CNW) downgraded to Underperform from Neutral at BofA/Merrill... EnerSys (ENS) downgraded to Equal Weight from Overweight at Stephens... Golden Ocean (GOGL) downgraded to Hold from Buy at Evercore ISI... Himax (HIMX) downgraded to Sell from Neutral at Chardan... J.B. Hunt (JBHT) downgraded to Neutral from Buy at BofA/Merrill... Knight Transportation (KNX) downgraded to Neutral from Buy at BofA/Merrill... Marriott Vacations (VAC) downgraded due to valuation at JMP Securities... National Commerce (NCOM) downgraded to Market Perform at Keefe Bruyette... Pacific Sunwear (PSUN) downgraded to Neutral from Buy at Mizuho... Potash (POT) downgraded downgraded to Hold from Buy at TD Securities... Rally Software (RALY) downgraded to Neutral from Buy at Roth Capital... Tech Data (TECD) downgraded to Market Perform from Outperform at Raymond James... Telecom Italia (TI) downgraded to Neutral from Outperform at Macquarie... Tidewater (TDW) downgraded to Sector Perform from Outperform at Scotia Howard Weil... Toronto-Dominion (TD) downgraded to Sector Perform from Outperform at Scotia Capital... United Rentals (URI) downgraded to Underperform from Neutral at BofA/Merrill.