NEW YORK ( TheStreet) -- CHANGE IN RATINGS Allot Communications ( ALLT) downgraded to hold at TheStreet.com Ratings. CMS Energy ( CMS) upgraded at Wells from Market Perform to Outperform, Wells Fargo said. Company deserves a premium valuation. Salesforce.com ( CRM) rated new Buy at ThinkEquity. $155 price target. Company can continue to gain market share. Dean Foods ( DF) downgraded at Goldman from Buy to Neutral, Goldman Sachs said. Higher corn prices could force milk costs higher. $17 price target. Darden ( DRI) rated new Hold at Keybanc. Company lacks near-term catalysts. Edwards Lifesciences ( EW) downgraded at Credit Suisse from Outperform to Neutral, Credit Suisse said. Valuation call, based on a $110 price target. Fidelity National ( FIS) downgraded at Baird from Outperform to Neutral, Robert Baird said. Valuation call, based on a $38 price target. JDS Uniphase ( JDSU) rated new Hold at Needham. Valuation appears low, but business conditions appear to be slowing. Kinder Morgan ( KMI) upgraded at Citigroup to Buy from Neutral, Citigroup said. $39 price target. Current technical issues are transitory, and the impact of lower crude prices seems overblown. Kinder Morgan Partners upgraded at Citigroup to Neutral from Sell, Citigroup said. $82 price target. Better growth visibility coupled with reduced long-term exposure to crude oil prices. Lacrosse Footwear ( BOOT) upgraded to buy at TheStreet Ratings. Bank of the Ozarks ( OZRK) upgraded at Wunderlich from Hold to Buy, Wunderlich said. $37 price target. Company is seeing better loan growth and exceeded earnings expectations for the 17th straight quarter. Pharmacyclics ( PCYC) rated new Market Perform at Bernstein. $51 price target. Valuation call, as the stock is up 300% year-to-date. Also have below-consensus view of the company's key product. Panera Bread ( PNRA) rated new Buy at Keybanc. $175 price target. Company can sustain 20% annual earnings growth. Questcor ( QCOR) rated new Buy at BofA/Merrill. $60 price target. Stock is attractively valued and consensus estimates appear low. Range Resources ( RRC) upgraded at Baird from Neutral to Outperform, Robert Baird said. $72 price target. Stock has underperformed its peers, but the company has an attractive, low-cost asset base. Ryland ( RYL) downgraded at Credit Suisse from Outperform to Neutral, Credit Suisse said. Valuation call, as the stock is up 28% over the past two months. $25.50 price target.