Editor's Note: Green and red arrows refer to intraday stock price movement.NEW YORK ( TheStreet) -- CHANGE IN RATINGS BJ's Wholesale ( BJ) downgraded at UBS from Buy to Neutral, UBS said. $47 price target. Sales trends are weakening. Bruker ( BRKR) upgraded at UBS from Neutral to Buy, UBS said. $21 price target. Company has potential operating leverage as new products grow. Career Education Corp ( CECO) downgraded at Barclays to Equal Weight from Overweight. Valuation is attractive but deceleration in marketing spending signals enrollment declines in 2011, Barclays said. Price target trimmed to $24 from $29. CF Industries ( CF) downgraded at Goldman from Buy to Neutral, Goldman Sachs said. Valuation call, as the stock is up 43% over the past year. Compass Minerals ( CMP) downgraded at Goldman to Sell. Valuation call. Corinthian Colleges ( COCO) downgraded at Barclays to Underweight from Equal Weight as we continue to believe it will face more regulatory and fundamental challenges than its peers, Barclays said. Price target lowered by a dollar to $3. Cablevision ( CVC) downgraded at Morgan Stanley from Overweight to Equal-weight, Morgan Stanley said. $37 price target. Stock is already pricing in improved broadband pricing. Dow Chemical ( DOW) upgraded at Goldman from Neutral to Buy, Goldman Sachs said. Company should benefit from an upturn in the ethylene cycle. Edison International ( EIX) downgraded at Citigroup to Sell. Company faces potentially higher regulatory risks. $35 price target. Emerson Electric ( EMR) upgraded at Goldman from Neutral to Buy, Goldman Sachs said. $69 price target. Company can continue to expand its margins. Frontier Oil ( FTO) downgraded at Barclays to Underweight from Equal Weight. The Canadian heavy oil discount relative to the Gulf Coast heavy oil spread could narrow over the next several years, Barclays said. Price target raised to $16 from $14. General Electric ( GE) upgraded at UBS from Neutral to Buy, UBS said. $23 price target. Earnings visibility is improving. hhgregg ( HGG) downgraded at Credit Suisse to Neutral from Outperform. Good growth potential, but TV and appliance weakness may continue to weigh on results, Credit Suisse said. Price target lowered to $22 from $28. Lear Corp ( LEA) upgraded at Barclays to Overweight from Equal Weight. Further multiple expansion and continued growth in sales as economy recovers, Barclays said. Price target surged to $123 from $94.