Analyst Upgrades

• Thoratec (THOR) to buy from neutral at UBS.
• TW Telecom (TWTC) to buy from hold at Citigroup.
• TAL Education (XRS) to overweight from neutral at Piper Jaffray.
• Amedisys (AMED) to buy from hold at Deutsche Bank.

Analyst Downgrades

• Navigators (NAVG) to neutral from outperform at Macquarie.
• El Paso Electric (EE) to hold from buy at Jefferies.
• Hancock Holding (HBHC) to hold from buy at Wunderlich.
• California Water Service (CWT) and American States Water (AWR) to neutral from buy at Janney Capital.
• Mednax (MD) to hold from buy at Deutsche Bank.

Analyst Upgrades

• Goldman upgraded CSX (CSX) to neutral from sell.
• General Cable (BGC) was upgraded to buy from hold at KeyBanc.
• Morgan Stanley upgraded Chart Industries (GTLS) and Dresser Rand (DRC) to overweight from equal weight.
• Blackrock (BLK) was upgraded to outperform from neutral at Macquarie.
• Credit Suisse upgraded Zions Bancorp (ZION) to neutral from underperform and GameStop (GME) to outperform from neutral.
• Honeywell (HON) was upgraded to outperform from sector perform at RBC Capital.
• Panera Bread (PNRA) was upgraded to buy from neutral at SunTrust.

Analyst Upgrades

• BMO Capital upgraded Church & Dwight (CHD) to outperform from market perform with a $75 price target, citing valuation.
• JPMorgan upgraded Men's Wearhouse (MW) to overweight from neutral with a $25 price target. The firm cites valuation and expectations for margin expansion for the upgrade.
• Longbow upgraded Greenbrier (GBX) to buy from neutral and has a $15 target on the stock. The firm's checks indicate demand is tightening for intermodal railcars.
• Sunpower (SPWRA) was upgraded to buy from hold at Soleil.
• Tesoro (TSO) was upgraded to outperform from sector perform at RBC Capital.

Analyst Upgrades

• JPMorgan upgraded Lamar Advertising (LAMR) to overweight from neutral following the company's Q4 results. The firm has a $36 price target on shares.
• Canaccord upgraded St. Mary Land & Exploration (SM) to buy from speculative buy based on the company's business model transformation. The firm has a $45 target on shares.
• Jefferies upgraded Rosetta Stone (RST) to buy from hold following the Q4 report and guidance. The firm has a $29 target on shares.
• GlaxoSmithKline (GSK) and AstraZeneca (AZN) were upgraded to neutral from sell at Goldman.
• China Unicom (CHU) was upgraded to buy from sell at Deutsche Bank.
• Repsol (REP) was upgraded to overweight from equal weight at Barclays.

• Barclays upgraded Spectra Energy (NYSE: SE) to Overweight from Equal Weight. The firm believes Spectra's valuation is attractive and that the dividend is secure.
• Soleil upgraded Sunoco (NYSE: SUN) to Buy from Hold on valuation following the recent pullback and maintains a $45 target on the stock.
  
• Friedman Billings upgraded O'Reilly Automotive (NASDAQ: ORLY) to Outperform from Underperform on valuation and the company's better than expected sales and earnings acceleration. The firm has a $38 target on the stock.
• Royal Caribbean (NYSE: RCL) was removed from Goldman's Conviction Sell List.
  
• Intercontinental Hotels (NYSE: IHG) was raised to Buy from Hold at Jefferies.
  
• Valspar (NYSE: VAL) was lifted to Neutral from Underweight at JP Morgan.

MAJOR PAPERS:

• According to the Wall Street Journal (subscription required), Apple Inc's (NASDAQ: AAPL) Steve Jobs helped to negotiate a Pixar employment pact with a film director that included an options grant with a "well-timed date". Also featured in the Journal:
  
• EMI Group plc (OTC: EMIPY) has been holding talks with online retailers over the possibility of selling its entire digital music catalog in an unprotected MP3 format.
• Goldman Sachs Group Inc (NYSE: GS) is expected to raise as much as $19B for its newest private-equity fund.
  
• The Financial Times (subscription required) reported that Siemens AG (NYSE: SI) broadened corruption inquiries and has identified individual incidents of apparent bribery.

• According to the Detroit News, DaimlerChrysler AG (NYSE: DCX) is expected to eliminate about 1,000 salaried jobs in Michigan.
  
• Asian IT website DigiTimes.com reported that Samsung introduced the Ultra Smart F700 yesterday. The phone is being referred to as a possible "iPhone Killer."
• In Investor's Business Daily, ViaSat Inc (NASDAQ: VSAT) was mentioned positively in the "New America" column.