Analysts' Actions: AMZN, PBR, PHM

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Abercrombie & Fitch ( ANF) downgraded to hold at TheStreet Ratings.

Atlas Air ( AAWW) downgraded at Dahlman from Buy to Hold, Dahlman Rose said. Valuation call as earnings momentum is slowing.

Ancestry.com ( ACOM) downgraded at BofA/Merrill to Neutral, Bank of America/Merrill Lynch said. Growth appears to be decelerating. $31 price target.

Amazon.com ( AMZN) downgraded at Morgan Stanley from Overweight to Equal-weight, Morgan Stanley said. Company is going through a business shift and is facing increased operating risks.

Comcast ( CMCSA) downgraded at Argus from Buy to Hold, Argus said. Valuation call, as NBC Universal will likely continue to drag on business.

Deere ( DE) downgraded at Wells from Outperform to Market Perform, Wells Fargo said. Company is leveraged to lower farm cash flow.

Incyte ( INCY) downgraded at Morgan Stanley from Overweight to Equal-weight, Morgan Stanley said. Valuation call, based on a $16 price target.

Itron ( ITRI) upgraded at Baird from Neutral to Outperform, Robert Baird said. $53 price target. Company posted a strong quarter and has several potential near-term catalysts.

Itron upgraded at ThinkEquity from Hold to Buy, ThinkEquity said. $47 price target. Company is restructuring and building operating momentum.

Nvidia ( NVDA) downgraded at BofA/Merrill from Buy to Neutral, Bank of America/Merrill Lynch said. Estimates also cut, as the company is facing increased competition. $16.50 price target.

Petrobras ( PBR) downgraded at Societe Generale from Buy to Hold, Societe Generale said. $31 price target. Downstream business remains a drag.

Pulte Homes ( PHM) downgraded at UBS to Neutral from Buy, UBS said. $9 price target. Improvements priced in.

Ralph Lauren ( RL)upgraded at Argus from Hold to Buy, Argus Research said. $202 price target. Company is expanding its geography and new products are driving growth.

Select Medical ( SEM) downgraded at JMP from Outperform to Market Perform, JMP Securities said. Doc Fix bill may not help the company

Cimarex Energy ( XEC)downgraded at Canaccord to Hold, Canaccord Genuity said. $84 price target. Valuation call, as the company is facing higher near-term costs.

STOCK COMMENTS / EPS CHANGES

American Express ( AXP) numbers raised at Guggenheim. Shares of AXP now seen reaching $60, according to Guggenheim. Estimates also increased, as the company has solid operating leverage. Buy rating.

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