NEW YORK ( TheStreet) -- CHANGE IN RATINGS Arcos Dorados Holdings ( ARCO) was downgraded to sell at TheStreet Ratings. Bona Film Group ( BONA) was downgraded to sell at TheStreet Ratings. Charles River Laboratories ( CRL) was downgraded at Goldman Sachs to sell from neutral. $38 price target. RMS softness adds to preclinical worries, Goldman said. Commvault ( CVLT) was upgraded at Pacific Crest to outperform. $92 price target. Company is gaining market share and should benefit from a new product cycle, Pacific Crest said. Fusion-io ( FIO) was initiated with a buy rating at Needham. $20 price target. Investor sentiment appears to have bottomed, Needham said. GATX ( GMT) was downgraded at Stifel Nicolaus to hold from buy. Tank car order rates are not sustainable, Stifel Nicolaus said. LinkedIn ( LNKD) was initiated with an outperform rating at Pacific Crest. $215 price target. Company has clear monetization and scarcity benefits, Pacific Crest said. NFX) was upgraded at Stifel Nicolaus to buy from hold. $29 price target. Expect an NAV increase, Stifel Nicolaus said. People's United Financial ( PBCT) was upgraded at J.P. Morgan to overweight from neutral. 15%-plus upside to 2014 consensus and best entry point in two years, J.P. Morgan said. Quintiles Transnational ( Q) was initiated at Morgan Stanley with an overweight rating and a $51 price target. The company stands to benefit from being the leader in the high-growth biopharmaceutical R&D outsourcing market. SAFM) was downgraded at Keybanc to hold from buy. Valuation call, said Keybanc. T-Mobile ( TMUS) was initiated with a hold rating at Canaccord and a $22 price target. Although TMUS is an attractive takeover candidate, absent such an event the stock appears fully valued, Canaccord said. WisdomTree Investments ( WETF) was downgraded at Citigroup to neutral. Much of the upside is already priced in to the stock, Citigroup said. Price target was reduced to $13.50.