NEW YORK ( TheStreet) -- CHANGE IN RATINGSAllstate ( ALL) was upgraded from Sell to Neutral at Goldman Sachs. Earnings outlook is improving, Goldman said. AthenaHealth ( ATHN) was upgraded at Morgan Stanley from Underweight to Equal-Weight. Valuation call, Morgan Stanley said. Atmel ( ATML) was downgraded at Capstone from Buy to Hold. Touch IC growth has likely plateaued. CACI ( CAI) was downgraded at Credit Suisse from Outperform to Neutral. $53 price target. Sales growth is deteriorating, Credit Suisse said. Cooper Industries ( CBE) was downgraded at Stifel Nicolaus from Buy to Hold. Valuation call, Stifel Nicolaus said. Chesapeake Energy ( CHK) was upgraded at Bernstein to Outperform. $21 price target. Company has multiple potential near-term catalysts for a rebound, Bernstein said. Salesforce.com ( CRM) was upgraded at Credit Suisse from Neutral to Outperform. $185 price target. Company is leveraged to a massive technology refresh, Credit Suisse said. Curtiss-Wright ( NOK) was downgraded at Capstone from Buy to Hold. Valuation call, Capstone said. Davita ( DVA) was downgraded at Robert Baird from Outperform to Neutral. Company lacks near-term catalysts, Baird said. El Paso Electric ( EE) was upgraded at Ladenburg Thalmann to Buy from Neutral. $33 price target. Valuation call, Ladenburg Thalmann said. Green Mountain Coffee Roasters ( GMCR) was downgraded at Piper Jaffray from Overweight to Neutral. Estimates were also cut, given the company's new guidance, Piper Jaffray said. $40 price target. Hecla Mining ( HL) was downgraded to Hold at TheStreet Ratings. IAC/InterActiveCorp ( IACI) was upgraded at Benchmark from Hold to Buy. $59 price target. Search and Match continue to drive solid growth, Benchmark said. MSCI ( MSCI) was upgraded at Credit Suisse from Neutral to Outperform. Recent weakness has created an attractive buying opportunity, Credit Suisse said. $42 price target. Prosperity Bancshares ( PB) was downgraded at Oppenheimer to Underperform from Perform. Valuation and interest rate environment, Oppenheimer said. tw telecom ( TWTC) was upgraded at Oppenheimer to Outperform from Perform. $30 price target. Unique network capability and accelerating growth, Oppenheimer said. Vanguard Natural Resources ( VNR) was upgraded to Buy at TheStreet Ratings. Wolverine World Wide ( WWW) was upgraded at DA Davidson from Neutral to Buy. $50 price target. Recent acquisition should add to earnings, DA Davidson said.