NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Archer-Daniels-Midland ( ADM - Get Report) upgraded at BMO to Outperform. $35 price target. Fundamentals should bottom out in the first quarter.

Broadcom ( BRCM) downgraded at Auriga from Buy to Hold, Auriga USA said. Valuation call, based on a $37 price target.

Black Box Corporation ( BBOX) downgraded to hold at TheStreet Ratings

Blackstone ( BX - Get Report) rated new Buy at Deutsche Bank. $19 price target. Company is a leader and can generate healthy growth.

Citigroup ( C - Get Report) upgraded at Wells from Market Perform to Outperform, Wells Fargo said. Estimates also boosted, given better operating leverage.

Eagle Materials ( EXP) downgraded at Jefferies to Hold from Buy, Jefferies said. $27 price target. Rating lowered on robust valuation.

First Horizon ( FHN) upgraded at Wells from Market Perform to Outperform, Wells Fargo said. Company trades at a 40% discount to its peers and can likely buy back more stock.

Health Care Realty ( HR) downgraded at UBS to Sell from Neutral, UBS said. $16 price target. Recent rally is overdone.

Mattel ( MAT) downgraded at Stifel from Buy to Hold, Stifel Nicolaus said. Valuation call.

Newmont Mining ( NEM) downgraded at Stifel from Buy to Hold, Stifel Nicolaus said. Company can yield more, but at the expense of growth.

Seagate Technology ( STX - Get Report) upgraded at Stifel from Hold to Buy, Stifel Nicolaus said. $35 price target. Company should continue to outperform.

Seagate Technology upgraded to buy at TheStreet Ratings.

Stryker ( SYK) downgraded at BMO from Outperform to Market Perform, BMO Capital said. Valuation call, as the stock is up 27% since August. $58 price target.

Techne ( TECH) downgraded at Baird from Outperform to Neutral, Robert Baird said. $71. Company is seeing slower organic revenue growth and is being hurt by the stronger dollar.

T. Rowe Price ( TROW - Get Report) downgraded at Citigroup to Sell from Neutral, Citigroup said. $50 price target. Premium valuation is not sustainable.

T. Rowe Price downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. Valuation call, based on a $54 price target.

Waddell & Reed ( WDR) downgraded at Citigroup to Sell from Neutral, Citigroup said. $24 price target. Disappointing 4Q.

Exxon Mobil ( XOM - Get Report) downgraded at Argus from Buy to Hold, Argus Research said. Production mix is moving toward natural gas.

Zimmer ( ZMH) downgraded at UBS to Neutral from Sell, UBS said. $64 price target. Valuation call.

STOCK COMMENTS / EPS CHANGES

Archer-Daniels-Midland ( ADM - Get Report) numbers cut at Morgan Stanley through 2014, Morgan Stanley said. Oilseed margins could remain soft. Neutral rating and new $28 price target.

Amerigroup ( AGP) target raised at Oppenheimer. Shares of AGP now seen reaching $73, Oppenheimer said. Target raised to be in line with historical multiple. Outperform rating.

AMC Networks ( AMCX) numbers raised at Morgan Stanley. Shares of AMCX now seen reaching $40, according to Morgan Stanley. Estimates also increased, given higher expected advertising growth. Underweight rating.

Affiliated Managers ( AMG) numbers boosted at Goldman. Shares of AMG now seen reaching $94, according to Goldman Sachs. Estimates also upped, to match the company's new guidance. Neutral rating.

Amazon.com ( AMZN - Get Report) numbers reduced at Goldman. Shares of AMZN now seen reaching $182, according to Goldman Sachs. Estimates also cut, as the company is realizing lower sales and higher costs. Neutral rating.

Amazon.com target lowered at Jefferies. Shares of AMZN now seen reaching $225, Jefferies said. Estimates also lowered on poor earnings result. Buy rating.

Amazon.com numbers lowered at Oppenheimer. Shares of AMZN now seen reaching $234, Oppenheimer said. Estimates also lowered on fourth quarter miss. Outperform rating.

C.R. Bard ( BCR) target raised at Jefferies to $104, Jefferies said. Still managing EPS in tough times. Buy rating.

CH Robinson Worldwide ( CHRW) numbers lowered at Jefferies. Shares of CHRW now seen reaching $66, Jefferies said. Estimates also lowered on minimal market opportunities. Hold rating.

Cytec ( CYT) estimates, target boosted at Keybanc. Shares of CYT now seen reaching $64, according to Keybanc. Estimates also upped, given the company's new guidance. Buy rating.

Danaher ( DHR) estimates, target raised at Goldman. Shares of DHR now seen reaching $58, according to Goldman Sachs. Estimates also increased, as the company is realizing higher margins. Neutral rating.

Entergy ( ETR) estimates, target lowered at BMO through 2013, BMO Capital said. Company is facing rising pension costs and buying back less stock. Market Perform rating and new $69 price target.

Illinois Tool ( ITW) numbers increased at Goldman. ITW estimates were raised through 2013, Goldman Sachs said. Company is realizing higher organic sales growth. Sell rating and new $56 price target.

L-3 Communications ( LLL) numbers boosted at Credit Suisse. Shares of LLL now seen reaching $75, according to Credit Suisse. Estimates also upped, given better defense budget visibility. Neutral rating.

Mattel ( MAT) estimates, target increased at Goldman. MAT estimates were raised through 2013, Goldman Sachs said. HIT Entertainment acquisition should add to earnings. Neutral rating and new $33 price target.

Oshkosk ( OSK) estimates, target upped at Credit Suisse. OSK estimates were boosted through 2014, Credit Suisse said. AWP is at the beginning of a multi-year cycle. Neutral rating and new $27 price target.

Paccar ( PCAR) estimates, target raised at Goldman. Shares of PCAR now seen reaching $47, according to Goldman Sachs. Estimates also increased, given higher domestic truck demand. Neutral rating.

Parexel ( PRXL) estimates, target upped at Goldman. PRXL estimates were boosted through 2014, Goldman Sachs said. Higher sales are driving margin expansion. Sell rating and new $19 price target.

Seagate Technology ( STX - Get Report) numbers increased at BMO. STX estimates were raised through 2013, BMO Capital said. Company is realizing higher margins and buying back more stock. Market Perform rating and new $27 price target.

Triumph Group ( TGI) numbers raised at Oppenheimer. Shares of TGI now seen reaching $70, Oppenheimer said. Estimates also raised on growing margins. Outperform rating.

UPS ( UPS) numbers raised at Jefferies. Shares of UPS now seen reaching $82, Jefferies said. Estimates also raised on strong quarterly performance. Hold rating.

Valero ( VLO) estimates, target reduced at Credit Suisse. Shares of VLO now seen reaching $37, according to Credit Suisse. Estimates also cut, given a lower realized capture rate. Outperform rating.

Vertex Pharmaceuticals ( VRTX) numbers raised at Credit Suisse. Shares of VRTX now seen reaching $42, according to Credit Suisse. Estimates also increased, following the FDA approval of Kalydeco. Outperform rating.

United States Steel ( X) numbers raised at UBS. Shares of X now seen reaching $38, according to UBS. Estimates also increased on Serbia sale and positive flow through from tubular pricing. Buy rating.

Yum! Brands ( YUM) estimates, target raised at UBS. Shares of YUM now seen reaching $76, according to UBS. Estimates also increased on positive sales momentum in China. Buy rating.

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This article was written by a staff member of TheStreet.