NEW YORK (TheStreet) -- CHANGE IN RATINGS

EMC ( EMC) upgraded at Oppenheimer from Perform to Outperform. $22 price target. Checks show that the company is seeing strong demand.

Edwards Lifesciences ( EW) downgraded at BMO from Outperform to Market Perform. Valuation call, based on a $59 price target.

FTI Consulting ( FCN) downgraded at Oppenheimer from Outperform to Perform. Company is seeing a bigger decline in bankruptcy/restructuring businesses.

Juniper Networks ( JNPR) upgraded at Piper Jaffray to Overweight from Neutral. Maintains $31 price target and 2010 EPS estimates of $1.22.

Marvell Technology ( MRVL) rated new Neutral at Susquehanna Financial. Hard drive segment could weigh on near-term results, though the company has several potential catalysts for 2011.

Rovi ( ROVI) rated new Overweight at Morgan Stanley. $46 price target. Company should benefit from surging cable consumption.

Spirit ( SPR) Aerosystems upgraded at UBS from Neutral to Buy. $24 price target. Company should see higher production rates, especially from Boeing's 787.

Terex ( TEX) downgraded at Keybanc from Buy to Hold. Company could be hurt by slower construction-related demand.

Verisign ( VRSN) upgraded at Oppenheimer from Perform to Outperform. $33 price target. Company sold a lower-margin business and is seeing better trends with domain names.

STOCK COMMENTS / EPS CHANGES

Arrow Electronics ( ARW) numbers cut at UBS through 2011. Macro uncertainty could weigh on demand. Buy rating and new $30 price target.

Avnet ( AVT) estimates, target cut at UBS. Shares of AVT now seen reaching $33. Estimates also reduced, given mounting supply-chain risks. Buy rating.

Bucyrus ( BUCY) estimates, target raised at Morgan Stanley. Shares of BUCY now seen reaching $80. Estimates also increased, as the company is likely to benefit from the new expected India truck order. Overweight rating.

Cliffs Natural ( CLF) estimates increased at Morgan Stanley through 2012. Met coal acquisition should add to earnings. Equal-weight rating.

Emdeon ( EM) target lowered at Goldman to $15. Company could be hurt by pricing pressures. Neutral rating.

Key Energy ( KEG) estimates lowered at UBS through 2011. Business sale will cut into earnings. Buy rating and $13 price target.

Lockheed Martin ( LMT) price target lower at Barclays to $81 from $86 as the defense market is at risk of declines. Maintain Equal Weight rating.

McDermott International ( MDR) price target cut at Citi to $30.50 from $38. As spin off is nearly complete, Volatility is expected but value remains. Maintain Buy rating.

Molex ( MOLX) estimates, target lowered at UBS. Estimates were cut through 2011. Company could face a weaker pricing environment. Neutral rating and new $19 price target.

Republic Services ( RSG) target upped at Morgan Stanley to $37. Checks show a continued favorable outlook for the industry. Overweight rating.

Viacom ( VIA.B) numbers boosted at Morgan Stanley. Shares of VIA.B now seen reaching $39. Estimates also upped, as key advertising categories are improving. Eqaul-weight rating.

Wal-Mart ( WMT) numbers reduced at UBS. Shares of WMT now seen reaching $60. Estimates also cut, given weak sales trends. Buy rating.
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This article was written by a staff member of TheStreet.com.

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