Americredit ( ACF) downgraded at KBW from Market Perform to Underperform. Valuation call, based on a $21 price target.

Alliance Data ( ADS) downgraded at Goldman from Buy to Neutral. Valuation call, based on a $70 price target.

AGCO ( AGCO) upgraded at JPMorgan. Rating raised to Neutral from Underweight. Price target raised to $39 from $30. 2010 EPS estimates lowered to $1.45 from $1.20.

Senator Levin Poses Three Cyber Scenarios (Forbes)

Cardinal Health ( CAH) downgraded at Goldman to Neutral. Investor expectations have caught up to the company's margin potential.

Cameron International ( CAM) upgraded at BMO to Outperform. Estimates also raised, as the company has leverage to rising international activity.

Diebold ( DBD) downgraded at Keybanc from Buy to Hold. Valuation call, as the company's estimates may not have much near-term upside potential.

Dell ( DELL) upgraded at Baird from Neutral to Outperform. $21 price target. Corporate PC and server spending should ramp throughout the year.

Exelon ( EXC) downgraded at Wells from Market Perform to Underperform. Estimates also cut, as the company is facing lower forward power prices.

Henry Schein ( HSIC) rated new Positive at Susquehanna Financial. $70 price target. Company should see renewed growth, as the economy rebounds.

Jack In The Box ( JACK) downgraded at BofA/Merrill to Underperform from Buy. Valuation and potential earnings issues. Maintain $24 price target. 2010 and 2011 EPS estimates set at $1.95 and $2.17, respectively.

Jack in the Box ( JACK) downgraded at Oppenheimer from Outperform to Perform. Valuation call, as beef prices could become a headwind in the second half of the year.

Mastercard ( MA) rated new Outperform at FBR Capital Markets. $300 price target. Company should benefit from an economic recovery and a continued shift toward electronic payments.

Masco ( MAS) rated new Buy at Goldman Sachs. $20 price target. Company is seeing better consumer demand and could raise its dividend.

MB Financial ( MBFI) downgraded at Baird from Outperform to Neutral. $25 price target. Valuation call, as the stock is now trading at 2 times book value.

Mohawk Industries ( MHK) rated new Sell at Goldman Sachs. Flooring prices will not go up as quickly as in other areas.

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