Accenture ( ACN) upgraded at KeyBanc. Rating raised to Buy from Hold. Introduces $35 price target. Maintains 2009 EPS estimates of $2.60.

Chipotle ( CMG) downgraded at Wachovia. Rating lowered to Underperform from Market Perform. Valuation range lowered to $57-$63 from $63-$70. 2009 EPS estimates raised to $2.86 from $2.51.

Charles River Laboratories ( CRL) downgraded at Goldman Sachs to Sell from Neutral based on potential shortfall in 2009 earnings. See little evidence that business will recover during second half of the year. Believe guidance is at risk. Price target cut to $20 from $25.

Diamond Offshore ( DO) downgraded at BofA/Merrill. Rating lowered to Neutral from Buy. Maintains $78 price target and 2009 EPS estimates of $10.50.

EOG Resources ( EOG) upgraded at Goldman Sachs to Buy from Neutral based on valuation and increasing crude oil exposure. Note potential for investor sentiment to turn following recent underperformance, especially if natural gas prices rise. Price target at $74.

Graco ( GGG)upgraded at Goldman Sachs to Neutral from Sell. Order rates are likely nearing a bottom and potential for further margin deterioration appears limited. Note company's strong free cash flow and above-average early cycle exposure. Price target raised to $21 from $15.

Marriott ( MAR) downgraded to Underperform at Oppenheimer from perform and price target increased to $16 from $13. Downgrade based on three points: 1) OpCo does not expect that MAR will be able to pay down as much debt as it expects this year; 2) Lodging fundamentals have not indicated improvement to date and are more challenging in 2H09 an 2010, albeit at a lower negative growth rate; and 3) The run-up in the shares as well as the premium valuation compared to the group appear to be unwarranted.

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