NEW YORK (

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CHANGE IN RATINGS

American Electric

(AEP) - Get Report

downgraded at Deutsche from Buy to Hold, Deutsche Bank said. $41 price target. Company has an uncertain earnings outlook.

Ameris Bancorp

(ABCB) - Get Report

downgraded to hold at TheStreet Ratings.

Celgene

(CELG) - Get Report

downgraded at Argus from Buy to Hold, Argus Research said. Valuation call.

Covance

(CVD)

downgraded at Citigroup to Neutral from Buy, Citigroup said. $46 price target. Near term headwinds and less visibility.

Georgia Gulf

(GGC)

downgraded at UBS to Neutral from Buy, UBS said. $35 price target. Buyout offer from Westlake Chemical.

Hartford Financial

(HIG) - Get Report

downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. $22 price target. Company is posting a low ROE and has limited capital flexibility.

JC Penney

(JCP) - Get Report

downgraded at BMO from Market Perform to Underperform, BMO Capital said. $29 price target. There are several risks involved with the company's turnaround plan.

JC Penney upgraded at Piper from Neutral to Overweight, Piper Jaffray said. $50 price target. New management team can revolutionize the company.

Juniper Networks

(JNPR) - Get Report

downgraded at Stifel from Buy to Hold, Stifel Nicolaus said. Company slashed guidance once again.

Juniper Networks downgraded at Morgan Keegan from Outperform to Market Perform, Morgan Keegan said. $20 price target. Company cut guidance once again.

McDonald's

(MCD) - Get Report

downgraded at Bernstein from Outperform to Market Perform, Bernstein Research said. Valuation call, based on a $105 price target.

Medicis

(MRX)

rated new Hold at Cantor. $34 price target. Company appears to have reached a growth plateau.

Nucor

(NUE) - Get Report

downgraded at Deutsche from Buy to Hold, Deutsche Bank said. $47 price target. Company is showing poor earnings quality.

QLogic

(QLGC)

upgraded at ThinkEquity from Hold to Buy, ThinkEquity said. $22 price target. Infiniband sale should materially improve margins. Buy rating.

Resmed

(RMD) - Get Report

upgraded at Deutsche from Hold to Buy, Deutsche Bank said. $32 price target. Mask sales remain resilient.

Riverbed Technology

(RVBD)

downgraded at FBN from Outperform to Sector Perform, FBN Securities said. $28 price target. 2012 consensus earnings expectations remain optimistic.

Synaptics

(SYNA) - Get Report

downgraded at Sterne from Buy to Neutral, Sterne Agee said. Valuation call, as the stock is up more than 50% from the September lows.

Synaptics upgraded at Needham from Hold to Buy, Needham said. $41 price target. Company is performing well in a difficult environment.

Wendy's

(WEN) - Get Report

downgraded at UBS to Neutral from Buy, UBS said. $5.50 price target. Slower sales momentum after the roll out of W burger.

Westlake Chemical

(WLK) - Get Report

downgraded at UBS to Sell from Neutral on 40% price surge in three weeks, UBS said. $49 price target.

STOCK COMMENTS / EPS CHANGES

Ametek

(AME) - Get Report

numbers raised at Jefferies. Shares of AME now seen reaching $52, Jefferies said. Estimates also raised on favorable trends. Buy rating.

Amgen

(AMGN) - Get Report

estimates, target upped at BMO. AMGN estimates were boosted through 2013, BMO Capital said. Company has a solid path for growth in the coming quarters. Market Perform rating and new $64 price target.

Autonation

(AN) - Get Report

estimates, target increased at Goldman. AN estimates were raised through 2013, Goldman Sachs said. Expect higher new vehicle sales and more buyback activity. Neutral rating and new $39 price target.

Avnet

(AVT) - Get Report

estimates, target boosted at Credit Suisse. Shares of AVT now seen reaching $37, according to Credit Suisse. Estimates also upped, as fundamentals appear to be bottoming. Neutral rating.

Caterpillar

(CAT) - Get Report

target raised at Jefferies to $130, Jefferies said. Solid quarter. Buy rating.

Caterpillar numbers raised at UBS. Shares of CAT now seen reaching $117, according to UBS. Estimates also raised on strong quarter and guidance.

Caterpillar estimates, target raised at Credit Suisse. Shares of CAT now seen reaching $138, according to Credit Suisse. Estimates also increased, to match the company's new guidance. Outperform rating.

Celgene

(CELG) - Get Report

estimates, target increased at BMO.CELG estimates were raised through 2013, BMO Capital said. Domestic business should be the main near-term growth driver. Outperform rating and new $95 price target.

Celgene Numbers raised at Jefferies.Shares of CELG now seen reaching $85, Jefferies said. Estimates also raised on long-term prospects for Revlimid. Buy rating.

Cliffs Natural

(CLF) - Get Report

numbers lowered at UBS. Shares of CLF now seen reaching $110, according to UBS. Estimates also lowered on lowered company guidance. Buy rating.

Consol Energy

(CNX) - Get Report

numbers reduced at Credit Suisse. Shares of CNX now seen reaching $45, according to Credit Suisse. Company is leveraged to lower natural gas prices. Outperform rating.

Cirrus Logic

(CRUS) - Get Report

numbers upped at Needham.CRUS estimates were boosted through 2013, Needham said. Apple is driving audio growth. New $28 price target.

Cypress Semiconductor

(CY) - Get Report

numbers cut at Credit Suisse. Shares of CY now seen reaching $20, according to Credit Suisse. Estimates also reduced, to match the company's new guidance. Neutral rating.

Devry

(DV)

estimates, target cut at Morgan Stanley. Shares of DV now seen reaching $48, according to Morgan Stanley. Estimates also reduced, as margins are falling. Overweight rating.

Eaton

(ETN) - Get Report

numbers raised at Jefferies. Shares of ETN now seen reaching $56, Jefferies said. Estimates also raised on conservative guidance. Buy rating.

Green Dot

(GDOT) - Get Report

numbers reduced at Credit Suisse. Shares of GDOT now seen reaching $32, according to Credit Suisse. Estimates also cut, as the company is investing more into future growth. Neutral rating.

Genuine Parts

(GPC) - Get Report

numbers raised at Goldman. Shares of GPC now seen reaching $57, according to Goldman Sachs. Estimates also increased, given better expected industrial demand. Sell rating.

Hill-Rom

(HRC) - Get Report

numbers reduced at Morgan Stanley. HRC estimates were cut through 2013, Morgan Stanley said. Company is seeing lower orders. Overweight rating and new $38 price target.

Hubbell Incorporated

(HUB.B)

numbers raised at Oppenheimer. Shares of HUB.B now seen reaching $80, Oppenheimer said. Estimates also raised on assertive growth execution. Outperform rating.

Invesco

(IVZ) - Get Report

estimates, target boosted at Credit Suisse. Shares of IVZ now seen reaching $26, according to Credit Suisse. Estimates also upped, as the company is carrying a lot of earnings momentum into the new year. Outperform rating.

JC Penney

(JCP) - Get Report

numbers raised at Citigroup. Shares of JCP now seen reaching $47, Citigroup said. Estimates also increased on upbeat guidance. Buy rating.

Juniper Networks

(JNPR) - Get Report

numbers reduced at BMO. JNPR estimates were cut through 2013, BMO Capital said. Service provider spending remains weak. Outperform rating and new $24 price target.

KLA-Tencor

(KLAC) - Get Report

numbers raised at Credit Suisse. Shares of KLAC now seen reaching $64, according to Credit Suisse. Estimates also increased, as the company has better shipment visibility. Outperform rating.

KLA-Tencor target raised at Oppenheimer to $60, Oppenheimer said. Beat and raise continues. Outperform rating.

Lockheed Martin

(LMT) - Get Report

numbers boosted at Credit Suisse. Shares of LMT now seen reaching $80, according to Credit Suisse. Estimates also upped, given the prospects for higher international production. Neutral rating.

Motorola Mobility

(MMI) - Get Report

estimates lowered at UBS through 2012, UBS said. Market dynamics remain tough. $40 price target and Neutral rating.

3M

(MMM) - Get Report

target raised at Jefferies to $102, Jefferies said. Upside hinges on regaining momentum. Buy rating.

Monster Worldwide

(MWW)

numbers lowered at Credit Suisse. Shares of MWW now seen reaching $10, according to Credit Suisse. Estimates also cut, given negative bookings. Outperform rating.

Noble

(NE) - Get Report

estimates, target cut at Credit Suisse. Shares of NE now seen reaching $46, according to Credit Suisse. Estimates also reduced, to match the company's new guidance. Outperform rating.

Nucor

(NUE) - Get Report

estimates, target raised at Credit Suisse. Shares of NUE now seen reaching $53, according to Credit Suisse. Estimates also increased, as the company is leveraged to increased economic growth. Outperform rating.

News Corp.

(NWSA) - Get Report

numbers raised at Morgan Stanley. Shares of NWSA now seen reaching $22, according to Morgan Stanley. Estimates also increased, as the company is buying back more stock. Equal-weight rating.

Potash

(POT)

numbers lowered at UBS. Shares of POT now seen reaching $60. Estimates also lowered on lowered guidance. Buy rating.

Raytheon

(RTN) - Get Report

estimates, target boosted at Goldman. Shares of RTN now seen reaching $47, according to Goldman Sachs. Estimates also upped, given lower pension expenses. Neutral rating.

Time Warner Cable

(TWC)

numbers increased at Morgan Stanley. TWC estimates were raised through 2013, Morgan Stanley said. Company has a stronger commercial outlook. Equal-weight rating and new $85 price target.

United Rentals

(URI) - Get Report

numbers raised at UBS. Shares of URI now seen reaching $50, according to UBS. Estimates also increased on solid demand recovery. Buy rating.

Wesco

(WCC) - Get Report

estimates, target raised at Credit Suisse.Shares of WCC now seen reaching $72, according to Credit Suisse. Estimates also increased, as the company has solid operating leverage. Neutral rating.

Wesco International numbers raised at Oppenheimer. Shares of WCC now seen reaching $77, Oppenheimer said. Estimates also raised solid fourth quarter. Outperform rating.

Zimmer

(ZMH)

estimates, target increased at BMO. ZMH estimates were raised through 2013, BMO Capital said. Company has strong operating leverage. Market Perform rating and new $63 price target.

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This article was written by a staff member of TheStreet.