Editor's Note: Green and red arrows refer to intraday stock price movement.

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Amgen ( AMGN) upgraded at BofA/Merrill to Neutral from Underperform following a positive survey on the company's two key products, Epogen and Zgeva, Bank of America/Merrill Lynch said. Price target raised to $59 from $56.

Aeroflex ( ARX) rated new Buy at Goldman. $17.50 price target. Company has a strong chip business, with leverage to 4G wireless. Debt paydown could also add to earnings.

Booz Allen Hamilton ( BAH) initiated at BofA/Merrill with a Neutral rating and $22 price target. The government consultant has grown revenue organically at 18% CARG over the past 12 years, Bank of America/Merrill Lynch said.

Sotheby's ( BID) rated new Market Outperform at JMP Securities. $54 price target. Company should see higher demand from Asia and stands to benefit from the current high-end art cycle.

Carnival ( CCL) upgraded at Deutsche from Hold to Buy. $57.50 price target. Company is performing well and keeping a tight lid on costs.

eBay ( EBAY) rated new Neutral at Wedbush Securities. $31 price target. Marketplace revenue continues to lag.

Emergency Medical ( EMS) downgraded at Jefferies from Buy to Hold. Valuation call, based on a $73 price target.

Hawaiian Electric ( HE) upgraded at Baird from Neutral to Outperform. $27 price target. Company should deliver stronger earnings with less volatility.

International Flavors & Fragrances ( IFF) initiated at Credit Suisse with an Outperform rating and $70 price target. Innovation and emerging market customers will drive growth, Credit Suisse said.

Ingersoll Rand ( IR) downgraded at Wells from Outperform to Market Perform. Valuation call.

Martin Marietta ( MLM) downgraded at UBS from Buy to Neutral. $94 price target. Risk/reward is less favorable at current levels, as the company faces cost pressures.

Motorola Mobility ( MMI) rated new Overweight at Morgan Stanley. $36 price target. Company can gain market share and the business will likely shift toward higher-margin Android phones.

Motorola Mobility ( MMI) rated new Buy at Goldman. $37 price target. Company should deliver above-average growth, given its leverage to the smartphone and tablet businesses.

Monsanto ( MON) upgraded at Soleil Buy. $80 price target. Company should benefit from rising crop prices.

Mettler-Toledo ( MTD) downgraded at JP Morgan from Overweight to Neutral. Valuation call, based on a $148 price target.

Orient-Express ( OEH) upgraded at JP Morgan from Neutral to Overweight. $17 price target. Global luxury hotel trends should improve in the new year.

Polo Ralph Lauren ( RL) upgraded at Citigroup from Hold to Buy. $138 price target. Company can leverage higher sales with its improving model. Buy rating.

Rockwell Automation ( ROK) upgraded at Credit Suisse to Outperform from Neutral. Capex rebound, share gains to drive strong sales growth, Credit Suisse said. Price target jumped to $86 from $71. Estimates raised through 2013.

RPM International ( RPM) downgraded at Oppenheimer from Outperform to Perform. Valuation call, as the stock now trades at a premium to its peers and the overall market.

Sherwin-Williams ( SHW) rated new Neutral at Ticonderoga Securities. Valuation call.

Stericycle ( SRCL) downgraded at BofA/Merrill to Underperform from Neutral on valuation. Maintain $74 price target.

Suntrust Banks ( STI) upgraded at KBW to Outperform, Keefe, Bruyette & Woods. $33 price target. Company should be able to keep growing through acquisitions.

Supervalu ( SVU) downgraded at Morgan Stanley to Underweight, Morgan Stanley said. $7.50 price target. Estimates also cut, as the company is facing pricing pressure.

Southwest Gas ( SWX) downgraded at UBS from Buy to Neutral. Valuation call, based on a $37.50 price target.

Safeway ( SWY) downgraded at Morgan Stanley from Equal-weight to Underweight. $18 price target. Company could be hurt if inflation fails to improve sales.

T. Rowe Price ( TROW) downgraded at Wells from Outperform to Market Perform. Stock is already pricing in higher expected earnings.

Universal Health Services ( UHS) upgraded at BofA/Merrill to Buy from Neutral on increased earnings trajectory and stabilizing Las Vegas market, Bank of America/Merrill Lynch said. Price target increased to $51 from $49.

Veeco Instruments ( VECO) upgraded at Credit Agricole from Underperform to Outperform. $50 price target. Company should see higher demand from China.

Vulcan Materials ( VMC) downgraded at UBS from Buy to Neutral. $48 price target. Company faces higher diesel prices.

ViroPharma ( VPHM) initiated at BofA/Merrill with a Buy rating and $23 price target. Its orphan drug Cinryze will continue to grow beyond investor expectations, Bank of America/Merrill Lynch said.

Verint Systems ( VRNT) upgraded at JP Morgan from Neutral to Overweight. $42 price target. Company is leveraged to a broadening global recovery.

Whole Foods ( WFMI) downgraded at BMO to Market Perform. Valuation call, as the stock gained 84% last year. $53 price target.

Wynn Resorts ( WYNN) upgraded at Keybanc from Underweight to Neutral. Macau should continue to drive growth.
This article was written by a staff member of TheStreet.