NEW YORK (

TheStreet

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CHANGE IN RATINGS

Abercrombie & Fitch

(ANF) - Get Report

downgraded to hold at TheStreet Ratings.

Atlas Air

(AAWW) - Get Report

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) - Get Report

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) - Get Report

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

Deere

(DE) - Get Report

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

Incyte

(INCY) - Get Report

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

Itron

(ITRI) - Get Report

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) - Get Report

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) - Get Report

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

Pulte Homes

(PHM) - Get Report

downgraded at UBS to Neutral from Buy, UBS said. $9 price target. Improvements priced in.

Ralph Lauren

(RL) - Get Report

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) - Get Report

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

Cimarex Energy

(XEC) - Get Report

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) - Get Report

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.

CBS Corporation

(CBS) - Get Report

numbers raised at UBS. Shares of CBS now seen reaching $33, according to UBS. Estimates also increased on potential pick up in ad demand in Q1 and beyond. Buy rating.

Cree

(CREE) - Get Report

estimates, target upped at Credit Suisse. CREE estimates were boosted through 2013, Credit Suisse said. Company is cutting costs. Neutral rating and new $31 price target.

Deere & Co.

(DE) - Get Report

estimates, target raised at UBS. Shares of DE now seen reaching $115, according to UBS. Estimates also increased on Q1 beat and raise.

Darden Restaurants

(DRI) - Get Report

numbers raised at UBS. Shares of DRI now seen reaching $54, according to UBS. Estimates also increased on improving EPS trends. Buy rating.

Goodyear Tire

(GT) - Get Report

numbers lowered at Citigroup. Shares of GT now seen reaching $21, according to Citigroup. Estimates also lowered on unfavorable FX, China start up costs, and flattish volume. Buy rating.

Kellogg

(K) - Get Report

estimates, target raised at Credit Suisse. Shares of K now seen reaching $56, according to Credit Suisse. Estimates also increased, as the Pringles purchase should add to earnings. Neutral rating.

NetApp

(NTAP) - Get Report

estimates, target boosted at Credit Suisse. Shares of NTAP now seen reaching $45, according to Credit Suisse. Estimates also upped, as the company is realizing higher margins. Neutral rating.

Cimarex Energy

(XEC) - Get Report

numbers increased at BMO. XEC estimates were raised through 2013, BMO Capital said. Premian production has recovered. Market Perform rating and new $75 price target.

Zillow

(Z) - Get Report

estimates, target raised at Citigroup. Shares of Z now seen reaching $46, according to Citigroup. Estimates also increased on beat and raise 4Q.

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This article was written by a staff member of TheStreet.