NEW YORK ( TheStreet) -- CHANGE IN RATINGS:Archer-Daniels Midland ( ADM) upgraded to buy at TheStreet Ratings. TD Ameritrade ( AMTD) was downgraded to Market Perform at Keefe, Bruyette & Woods. $20 price target. Company has limited earnings upside potential, KBW said. Alpha Natural ( ANR) was upgraded at Dahlman Rose from hold to buy. $12 price target. Company is leveraged to rising spot prices, Dahlman Rose said. BancorpSouth ( BXS) upgraded to buy at TheStreet Ratings. Costco ( COST) was upgraded at Bernstein from underperform to market perform. $102 price target. Company is seeing healthy sales growth and stable margins, Bernstein said. Walt Disney ( DIS) was upgraded at B. Riley Caris from neutral to buy. $63 price target. Company should see higher theme park margins, higher rates at ESPN and a strong film slate, B. Riley Caris said. Energen ( EGN) was downgraded at Keybanc from buy to hold. Natural gas prices will likely remain depressed, Keybanc said. Ford Motor ( F) was downgraded at Deutsche Bank from buy to hold. Valuation call, based on a $15 price target, Deutsche said. Fidelity National Information Services ( FIS) was initiated with a buy rating at UBS. $42 price target. Shareholder-friendly capital allocator with strong global footprint, UBS said. Fiserv ( FISV) was initiated with a neutral rating at UBS. $82 price target. Emerging growth focus, but shares fully valued, UBS said. Group 1 Automotive ( GPI) was upgraded at Keybanc from hold to buy. $77 price target. Company is leveraged to higher domestic auto demand, Keybanc said. Hartford Financial ( HIG) was downgraded at FBR Capital Markets from outperform to market perform. Valuation call, based on a $25 price target. IBM ( IBM) was upgraded at Societe Generale from sell to hold. $201 price target. Company boosted its guidance, Societe Generale said. Incyte ( INCY) was downgraded at Morgan Stanley to underweight from equal-weight. $14 price target. MF survey shades upside opportunity, Morgan Stanley said. Las Vegas Sands ( LVS) was upgraded at Compass Point from sell to neutral. $44 price target. Macro environment has stabilized and growth should reaccelerate in Macau, Compass Point said. Middleby ( MIDD) was upgraded at Robert Baird from neutral to outperform. $154 price target. Checks show higher expected capital spending in the restaurant business, Baird said.