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

NEW YORK (

TheStreet

) --

CHANGE IN RATINGS

Agco

(AGCO) - Get Report

upgraded at UBS from Sell to Neutral. Estimates also raised, given higher expected demand for North American agriculture equipment.

Continental Resources

(CLR) - Get Report

upgraded at Jefferies from Hold to Buy. $62 price target. Company is seeing better exploration growth.

DuPont

(DD) - Get Report

upgraded at Goldman to Buy. $56 price target. Estimates also boosted, because of higher expected emerging markets growth.

Deere

(DE) - Get Report

upgraded at UBS from Neutral to Buy. Expect higher farm equipment sales in 2011.

Deckers Outdoor

(DECK) - Get Report

rated new Buy at Jefferies. $75 price target. Company should continue to grow the UGG franchise, especially overseas.

DTE Energy

(DTE) - Get Report

upgraded at Barclays to Overweight from Equal Weight Strong dividend and a newly premium regulatory environment. Price target trimmed to $50 from $52. Maintain Overweight rating.

EMC

(EMC)

rated new Buy at Wunderlich Securities. $28 price target. Company can generate double-digit sales and earnings growth over the next 3-5 years.

Eastman Chemical

(EMN) - Get Report

downgraded at Goldman from Buy to Neutral, Goldman Sachs said. Valuation call, based on a $90 price target.

Manitowoc

(MTW) - Get Report

rated new Neutral at Goldman Sachs. $12 price target. Company likely to see weaker crane rental rates in the U.S. and Europe.

Nu Skin Enterprises

(NUS) - Get Report

upgraded at BofA/Merrill to Buy from Underperform. Stocked pipeline, clear margin drivers and improved visibility keep strong momentum going into 2011, Bank of America/Merrill Lynch said. Price target raised to $36 from $34.

Regency

(REG) - Get Report

upgraded at BofA/Merrill to Buy from Neutral. Stepped away from meeting with management with positive outlook, Bank of America/Merrill Lynch said. Price target raised to $45.

RRI Energy

(RRI)

downgraded at Citigroup from Buy to Hold. $4.50 price target. Company faces negative pending legislation in New Jersey.

Thoratec

(THOR) - Get Report

upgraded at Barclays to Overweight from Equal Weight. Valuation call, this week's pullback makes an attractive entry point, Barclays said. Maintain $29 price target.

VMWare

(VMW) - Get Report

rated new Hold at Wunderlich Securities. $80 price target. Valuation call, as growth could decelerate in 2011.

Whole Foods

( WFMI) downgraded at UBS from Buy to Neutral. Valuation call, based on a $48 price target.

Wolvering World Wide

(WWW) - Get Report

rated new Hold at Jefferies. $29 price target. Valuation call, as the company could be hit by rising input costs.

This article was written by a staff member of TheStreet.