Notable Analyst Rating Changes 03/05: (AIXG) (P) (LMT) Upgraded; (ZNGA) (CF) (PCS) Downgraded

UPGRADES
Aixtron (Nasdaq: AIXG) receives two upgrades Monday:

• WestLB from Reduce to Neutral; and
  
  
• Canaccord Genuity from Sell to Hold, price target raised to $15. Click Here for more color.

Stifel Nicolaus raises Pandora (NYSE: P) from Hold to Buy with a new price target of $18. Click Here for more color.

RBC Capital boosts Lockheed Martin (NYSE: LMT) from Underperform to Outperform, its price target raised from $82 to $98.

Argus lifts Allstate (NYSE: ALL) from Hold to Buy.

For daily real-time Upgrades go to http://www.streetinsider.com/Upgrades

DOWNGRADES
JPMorgan cuts Zynga (Nasdaq: ZNGA) from Overweight to Neutral with a $15 price target. Click Here for more color.

Citi downgrades CF Industries (NYSE: CF) from Buy to Neutral.

Bernstein trims MetroPCS (NYSE: PCS) from Outperform to Market Perform.

Macquarie lowers Silver Wheaton (NYSE: SLW) from Outperform to Neutral.

For daily real-time Downgrades go to http://www.streetinsider.com/downgrades

NEW COVERAGE
Guidewire (NYSE: GWRE) started by a slew of firms Monday:

• Stifel Nicolaus with a Hold;
  
  
• Stifel Nicolaus at Hold and $30 price target. Click Here for more color.
  
  
• JPMorgan with an Overweight and $30 target;
  
  
• Citi at Neutral and target of $24.

Stifel Nicolaus resumes Exide Technologies (Nasdaq: XIDE) with a Hold.

BMO Capital assumes Monster Worldwide (NYSE: MWW) with a Outperform and target of $9.

Roth Capital initiates Stamps.com (Nasdaq: STMP) with a Buy.

For daily real-time New Coverage go to http://www.streetinsider.com/New+Coverage

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