NEW YORK ( TheStreet) -- CHANGE IN RATINGS Athlon ( ATHL) was initiated with a neutral rating at Goldman Sachs. Valuation call, based on a $33 price target, Goldman said. Athlon Energy was initiated with a neutral rating and $31 price target at UBS. Valuation already reflects the bulk of the derisked Wolfcamp potential, UBS said. Blackbaud ( BLKB) was upgraded at Stifel Nicolaus to buy from hold. $51 price target. Company can post accelerating sales growth and expand margins, Stifel Nicolaus said. Boston Scientific ( BSX) was upgraded to buy at TheStreet Ratings. FMC Corp. ( FMC) was initiated with an overweight rating at Piper Jaffray. $78 price target. Company has exposure to a strong agriculture market in Latin America, Piper Jaffray said. MON) was upgraded at UBS to buy from neutral. Recent overcorrection is overdone given stabilizing corn prices, UBS said. Minerals Technologies ( MTX) was initiated with a hold rating at Keybanc. Valuation call. Vanguard Health ( VHS) was upgraded to hold at TheStreet Ratings. Cimarex ( XEC) was upgraded at FBR Capital Markets to outperform from market perform. $120 price target. Expect increased efficiency of capital deployment, FBR said.