Notable Analyst Rating Changes 05/14: (STJ) (ACI) (NVDA) Upgraded; (NOK) (JBLU) (SYMC) Downgraded

UPGRADES
Goldman Sachs upgrades St. Jude Medical (NYSE: STJ) from Neutral to Buy, its price target moves from $45 to $50. Click Here for more color.

UBS lifts Arch Coal Inc (NYSE: ACI) from Neutral to Buy.

BMO Capital raises Career Education (Nasdaq: CECO) from Underperform to Market Perform, its price target lowered from $8 to $7.

Caris & Co. boosts NVIDIA (Nasdaq: NVDA) from Below Average to Average.

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

DOWNGRADES
Societe Generale downgrades Nokia (NYSE: NOK) from Hold to Sell, trimming its price target from €3.00 down to €1.80.

Sterne Agee cuts JetBlue Airways (Nasdaq: JBLU) from Buy to Neutral, with its price target cut from $10 to $8.

Goldman Sachs downgraded Symantec (Nasdaq: SYMC) from Neutral to Sell with a price target of $14. Click Here for more color.

Craig-Hallum docks A123 Systems (Nasdaq: AONE) from Hold to Sell.

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

NEW COVERAGE
Splunk (Nasdaq: SPLK) started by a handful of firms Monday:

• Morgan Stanley with an Equalweight;
  
  
• BofA/Merrill Lynch at Buy with a $39 price target;
  
  
• JPMorgan with an Overweight and $40 target;
  
  
• Cowen with an Outperform;
  
  
• Credit Suisse with an Outperform and $40 price target;
  
  
• Credit Agricole at Underperform and $33 target;
  
  
• UBS at Neutral and $33 target; and
  
  
• Pacific Crest with an Outperform and $40 price target.

Tumi Holdings (NYSE: TUMI) started by a gaggle of firms:

• Credit Suisse with a Neutral and $23 target;
  
  
• Jefferies with a Buy and price target of $30;
  
  
• William Blair with an Outperform; and
  
  
• JPMorgan with a Neutral and $23 target.

Cowen initiates XOMA, Ltd. (Nasdaq: XOMA) with an Outperform.

Wells Fargo begins Walter Energy (NYSE: WLT) with an Outperform and valuation range of $77 - $84.

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

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