NEW YORK ( TheStreet) -- CHANGE IN RATINGSAlcon ( ACL) downgraded at Wells Fargo to Market Perform from Outperform on legal maneuvering by NVS and the IDC / minority shareholders. 2011 estimates cut to $8.34 from $8.46. Valuation lowered to $161-$163. Alcon ( ACL) estimates upped at UBS through 2011. Company is seeing improved fundamentals across the board. Neutral rating and $162 price target. Agco ( AGCO) upgraded at Stifel from Hold to Buy. $50 price target. Company is in the midst of a multi-year turnaround story. Agco ( AGCO) estimates, target boosted at UBS. Shares of AGCO now seen reaching $32. Estimates also upped, as the company is seeing better sales in South America. Sell rating. CH Robinson ( CHRW) upgraded at BB&T from Hold to Buy. $73 price target. Gross margin pressure is near a climax. CH Robinson ( CHRW) numbers boosted at UBS. Shares of CHRW now seen reaching $75. Estimates also upped, as the company has better sales visibility. Buy rating. DCP Midstream ( DPM) downgraded at UBS from Buy to Neutral. Valuation call, based on a $34 price target. Entegris ( ENTG) upgraded at Citi to Hold from Sell. Structural improvement suggest a strong 2011. Maintain $5 price target. Ensco ( ESV) downgraded at Morgan Stanley from Overweight to Underweight. $57 price target. Sector still faces headwinds. Global Payments ( GPN) target cut at Credit Suisse to $44 from $50. 2Q results revealed better revenue but lower margins. Reiterate Neutral rating. Global Payments ( GPN) downgraded at Janney from Buy to Neutral. Company is seeing a lower benefit from its platform consolidation. Global Payments ( GPN) downgraded at Morgan Stanley from Equal-weight to Underweight. $35 price target. Earnings should remain volatile, as the company faces margin headwinds. Hexcel ( HXL) downgraded at BofA/Merrill to Neutral from Buy. Solid fundamentals but stock approaching fair value. Price target raised to $22 from $18. Nasdaq ( NDAQ) upgraded at Stifel from Hold to Buy. $23 price target. Company has an improving outlook and is likely to repurchase more shares. Noble ( NE) downgraded at Morgan Stanley from Overweight to Underweight. $35 price target. Valuation call, following the recent sector rally.