Whiting Petroleum ( WLL) downgraded at Wells Fargo from Outperform to Market Perform. Valuation call, as the company's growth in the Bakken shale faces operational hurdles.

STOCK COMMENTS / EPS CHANGES

Amazon.com ( AMZN) price target boosted at Credit Suisse to $145 from $115. In-line 3Q earnings, company appears to be in a reinvestment cycle. Maintain Neutral rating.

Amazon.com ( AMZN) estimates cut at Barclays. AMZN 2010 and 2011 EPS estimates dropped to $2.41 and $3.18, respectively. Strong holiday season expected, but will likely come with higher costs. Maintain Overweight rating and $180 target.

American Express ( AXP) estimates increased at Morgan Stanley through 2012. Company is seeing higher fee income and lower loss provisions. Overweight rating and $52 price target.

Baxter ( BAX) estimates, target boosted at Citigroup. Shares of BAX now seen reaching $45. Estimates also upped, because of better organic sales growth. Sell rating.

Baxter ( BAX) estimates, target raised at Morgan Stanley. Shares of BAX now seen reaching $56. Estimates also increased, given a sharper IVIG recovery. Overweight rating.

BB&T ( BBT) estimates, target reduced at UBS. BBT estimates were lowered through 2012. Company continues to realize higher credit losses. Neutral rating and new $23 price target.

CA Inc. ( CA) price target higher at Credit Suisse. CA price target raised to $22 from $20. Solid 2Q results with strong bookings driven by distribution business. Maintain Neutral rating.

Caterpillar ( CAT) price target boosted at Barclays. CAT price target increased to $85 from $76. Solid 3Q10 beat and raised outlook for the remainder of the year on continued end-market momentum. Maintain Equal Weight rating.

Caterpillar ( CAT) estimates, target boosted at Morgan Stanley. Shares of CAT now seen reaching $100. Estimates also increased, as better engine sales are driving higher margins. Overweight rating.

Chubb ( CB) estimates, target raised at UBS. Shares of CB now seen reaching $64. Estimates also increased, given reserve releases. Buy rating.

Cooper Industries ( CBE) target raised, estimates changed at Barclays. CBE price target increased to $63 from $60 on strong results with bullish 2011 outlook. 2010 EPS estimate trimmed to $3.19, 2011 lifted to $3.70. Maintain Overweight rating.

Cooper Industries ( CBE) numbers upped at Morgan Stanley. CBE estimates were raised through 2012. Company is delivering strong organic sales growth. Overweight rating and new $63 price target.

Costco ( COST) estimates, target raised at Morgan Stanley. Shares of COST now seen reaching $71. Estimates also increased, given renewed store and membership fee growth. Overweight rating.

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