NEW YORK ( TheStreet) -- CHANGE IN RATINGSADT ( ADT) was downgraded at Morgan Stanley to underweight from equal-weight. $48 price target. Valuation call, Morgan Stanley said. Affiliated Manager Group ( AMG) was upgraded at Bank of America/Merrill Lynch to buy from neutral. Estimates were increased on the potential for acquisitions, BofA/Merrill said. Price target is now $165. Atmel ( ATML) was upgraded at FBR Capital Markets to outperform from market perform. $8.25 price target. Fundamentals remain strong, despite the recent management departure, and the stock is attractive to buy on a pullback, FBR Capital Markets said. Boston Scientific ( BSX) was downgraded at Credit Suisse to neutral from outperform. Valuation call, based on an $8.50 price target, Credit Suisse said. Casey's General Stores ( CASY) was downgraded at Bank of America/Merrill Lynch to neutral because of valuation. Earnings estimates were tweaked, and the new price target is $63, BofA/Merrill said. Cubist Pharmaceuticals ( CBST) was downgraded at Cantor Fitzgerald to sell from hold. Valuation call, based on a $40 price target, Cantor Fitzgerald said.
Cigna ( CI) was downgraded at Citigroup to neutral. With the stock at an all-time high, the valuation is full, Citi said. New price target is $65. Charles River Laboratories ( CRL) was downgraded at Citigroup to sell from neutral/high risk. Given unfavorable market pressures, the sequestration and valuation, CRL is overvalued, Citi said. Price target goes to $37. CARBO ( CRR) was initiated with a neutral rating at Goldman Sachs. The company benefits from an inflecting NAM land cycle and E&P focus on cost controls, but risks remain, Goldman said. Price target is $110. Eaton ( ETN) was initiated with an equal-weight rating at Morgan Stanley. $70 price target. Strong recent performance and bullish consensus, Morgan Stanley said. Eaton Vance ( EV) was downgraded at Bank of America/Merrill Lynch to neutral from outperform. The stock is trading at a 15% premium to peers, leaving little upside. Price target remains $42.
Key Energy ( KEG) was upgraded at FBR Capital Markets to outperform from market perform. $10 price target. U.S. land market is tightening, FBR Capital Markets said. Bank of the Ozarks was downgraded at Wunderlich to hold from buy. Valuation call, as the stock is up about 50% since July, Wunderlich said. $43 price target.