NEW YORK (

TheStreet

) --

CHANGE IN RATINGS

Advance Auto

(AAP) - Get Report

rated new Buy at Deutsche. $80 price target. Company can gain market share in a favorable environment.

American Eagle Outfitters

(AEO) - Get Report

upgraded at Piper Jaffray from Neutral to Overweight. $19 price target. Business trends have remained strong in Q4.

American Eagle Outfitters upgraded at Jefferies to Buy from Hold. $21 price target. Normalizing cotton costs now a tailwind.

American Equity Investment

(AEL) - Get Report

is downgraded to hold at TheStreet Ratings.

Altera

(ALTR) - Get Report

upgraded at Goldman from Neutral to Buy, Goldman Sachs said. $44 price target. Shipments should return to normal levels in the first half of 2012.

American Tower

(AMT) - Get Report

downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. $62 price target. Premium valuation and 12-15% outperformance.

Ann Inc.

(ANN)

upgraded at Jefferies to Buy from Hold, Jefferies said. $32 price target. Normalized cotton costs are now a tailwind.

Atmel

(ATML)

upgraded at Goldman from Neutral to Buy, Goldman Sachs said. $10 price target. Company is gaining market share in the core MCU business.

Becton Dickinson

(BDX) - Get Report

downgraded at Morgan Stanley from Equal-weight to Underweight, Morgan Stanley said. Valuation call, based on a $68 price target.

Brookdale Senior

(BKD) - Get Report

downgraded at BofA/Merrill from Buy to Neutral, Bank of America/Merrill Lynch said. $20 price target. Lower housing prices and tax headwinds could hurt earnings.

Cooper Industries

( CBE) downgraded at Credit Suisse to Neutral, Credit Suisse said. Valuation call, based on a $55 price target.

Chipotle

(CMG) - Get Report

upgraded at Deutsche from Hold to Buy, Deutsche Bank said. $390 price target. Secular leaders should continue to outperform, despite valuation.

Cisco Systems

(CSCO) - Get Report

upgraded at JP Morgan from Neutral to Overweight, JP Morgan said. $21 price target. Current issues unlikely to persist in 2012.

CapitalSource

(CSE)

downgraded at Sterne Agee from Buy to Neutral, Sterne Agee said. $8 price target. Valuation call.

Community Health

(CYH) - Get Report

downgraded at BofA/Merrill to Neutral, Bank of America/Merrill Lynch said. $20 price target. Reimbursement headwinds will continue to affect the industry in 2012.

Energizer

(ENR) - Get Report

upgraded at Morgan Stanley from Equal-weight to Overweight, Morgan Stanley said. $91 price target. Company has good earnings visibility and should garner a higher price multiple.

Edwards Lifesciences

(EW) - Get Report

upgraded at JP Morgan from Underweight to Neutral, JP Morgan said. $79 price target. Risk/reward now balanced.

Fusion-io

(FIO)

upgraded at Morgan Stanley from Equal-weight to Overweight, Morgan Stanley said. $30 price target. Recent pullback has created an attractive buying opportunity.

Group 1 Automotive

(GPI) - Get Report

downgraded at Goldman from Buy to Neutral, Goldman Sachs said. $53 price target. Valuation call, as the stock is up 115% over the past 18 months.

Goodrich

( GR) downgraded at Jefferies to Hold from Buy, Jefferies said. $127.50 price target. Modest expected return for common stock based on acquisition by UTX.

HealthSouth

(HLS)

downgraded at BofA/Merrill from Neutral to Underperform, Bank of America/Merrill Lynch said. $17 price target. High Medicare exposure will likely be an earnings headwind.

Hologic

(HOLX) - Get Report

downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. $20 price target. Valuation call.

Hologic upgraded at Morgan Stanley from Equal-weight to Overweight, Morgan Stanley said. $25 price target. Organic growth can resume in the coming years.

Intersil

(ISIL)

downgraded at Goldman from Neutral to Sell, Goldman Sachs said. $9 price target. Company faces structural challenges to growth.

Microchip

(MCHP) - Get Report

downgraded at Goldman from Neutral to Sell, Goldman Sachs said. Valuation call, as the company should not trade at a premium to its peers. $30 price target.

Paccar

(PCAR) - Get Report

downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. $41 price target. Freight fundamentals are weakening in Europe.

Plantronics

(PLT) - Get Report

downgraded at Morgan Keegan from Outperform to Market Perform, Morgan Keegan said. $36 price target. Valuation call.

PMC-Sierra

(PMCS)

downgraded at Goldman from Buy to Neutral, Goldman Sachs said. $6 price target. Company is facing delays in new product ramps.

Riverbed Technology

(RVBD)

upgraded at Oppenheimer from Perform to Outperform, Oppenheimer said. $30 price target. Checks suggest that sales are tracking at or above expectations.

Spectra Energy

(SE) - Get Report

downgraded at UBS from Buy to Neutral, UBS said. $31 price target. Valuation call.

Semtech

(SMTC) - Get Report

upgraded at Goldman from Neutral to Buy, Goldman Sachs said. $30 price target. Company has strong financial discipline and is leveraged to positive product cycles.

Sandisk

(SNDK)

downgraded at Goldman from Buy to Neutral, Goldman Sachs said. $51 price target. NAND flash market will likely have too much supply in the first quarter.

Spirit AeroSystems

(SPR) - Get Report

added to Priority Stock List. Expect the OEM to grow faster than the commercial aerospace market in 2012.

TripAdvisor

(TRIP) - Get Report

upgraded at BofA Merrill from Underperform to Buy, Bank of America Merril Lynch said. $32 price target. High growth and high margin characteristics coupled with recent pullback create buying opportunity.

Under Armour

(UA) - Get Report

upgraded at Baird from Neutral to Outperform, Robert Baird said. $90 price target. Company has a solid product pipeline.

Varian Medical

(VAR) - Get Report

upgraded at JP Morgan from Neutral to Overweight, JP Morgan said. $75 price target. Upside from Siemens exit offsets capex downside risk.

VF Corp

(VFC) - Get Report

upgraded at Citigroup from Neutral to Buy and added to Top Picks Live, Citigroup said. $157 price target. Strong topline growth, margin expansion, and attractive valuation.

Williams Companies

(WMB) - Get Report

downgraded at UBS from Buy to Neutral, UBS said. $28 price target. E&P spin has showcased the value of WMB's independent business.

Wolverine World Wide

(WWW) - Get Report

downgraded at Baird from Outperform to Neutral, Robert Baird said. $38 price target. Unfavorable weather could hurt reorders.

Zynga

(ZNGA) - Get Report

rated new Market Perform at BMO. $10 price target. Current valuation reflects growth potential.

STOCK COMMENTS / EPS CHANGES

Apple

(AAPL) - Get Report

estimates, target cut at Morgan Keegan.Shares of AAPL now seen reaching $513, according to Morgan Keegan. Esitmates also reduced, given lower expected iPad and Mac sales. Outperform rating.

Chesapeake Midstream

( CHKM) numbers raised at UBS. Shares of CHKM now seen reaching $32, according to UBS. Estimates also increased as $865MM dropdown from Chesapeake adds new growth platform.

Domino's Pizza

(DPZ) - Get Report

numbers boosted at Argus. Shares of DPZ now seen reaching $39, according to Argus Research. Estimates also upped, given lower expected operating expenses.

F5 Networks

(FFIV) - Get Report

estimates lowered at Oppenheimer through 2012, Oppenheimer said. Checks point to a mixed March. Outperform rating.

FMC

(FMC) - Get Report

estimates, target raised at Keybanc. Shares of FMC now seen reaching $109. Estimates also increased, given the company's strong earnings momentum. Buy rating.

Medtronic

(MDT) - Get Report

target increased at Citigroup. MDT price target increased to $44, according to Citigroup. Weakest markets are healing, and organic growth looks to accelerate. Buy rating.

St. Jude Medical

(STJ)

cut from Top Picks List at Kaufman. $42 price target. Riata and Quadra could fall short of near-term expectations.

AT&T

(T) - Get Report

estimates reduced at Goldman through 2013, Goldman Sachs said. Company is selling more smartphones. Neutral rating and $32 price target.

Varian Medical Systems

(VAR) - Get Report

numbers raised at Citigroup. Shares of VAR now seen reaching $71, according to Citigroup. Estimates also increased on radiation oncology survey results. Neutral rating.

Verizon

(VZ) - Get Report

estimates lowered at Goldman through 2013, Goldman Sachs said. Company is spending more on handset subsidies. Buy rating and $45 price target.

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This article was written by a staff member of RealMoney.com.