Pre-Open Movers 4/18: (THQI) (CHSI) (URI) Higher; (IN) (GNW) (ILMN) Lower (more...)

Below are stocks making major moves in pre-open trading Wednesday:

HIGHER:

• THQ Inc. (NASDAQ: THQI) 45% HIGHER; boosts guidance
  
• Catalyst Health Solutions, Inc. (NASDAQ: CHSI) 32% HIGHER; acquired by SXC Health
  
• Knology, Inc. (NASDAQ: KNOL) 9% HIGHER; acquired
  
• United Rentals, Inc. (NYSE: URI) 8% HIGHER; easily tops Q1 views
  
• SXC Health (Nasdaq: SXCI) 8% HIGHER; buys Catalyst Health
  
• Polaris Industries, Inc. (NYSE: PII) 7% HIGHER; tops Q1 views
  
• Intuitive Surgical, Inc. (NASDAQ: ISRG) 5% HIGHER; easily tops Q1 views
  
• Yahoo, Inc. (NASDAQ: YHOO) 3% HIGHER; posts Q1 upside surprise
  
• Deckers Outdoor Corp. (NASDAQ: DECK) 3% HIGHER; upgraded
  
• Seagate Technology (NASDAQ: STX) 2% HIGHER; post Q3 results
  
• Walter Energy, Inc. (NYSE: WLT) 2% HIGHER; upgraded
  
• CSX Corp. (NYSE: CSX) 1% HIGHER; Tops Q1 views
  
• AIG (NYSE: AIG) 1% HIGHER; upgraded

LOWER:

• Intermec, Inc. (NYSE: IN) 20% LOWER; lowered Q1 views
  
• Genworth Financial (NYSE: GNW) 13% LOWER; Announces New Timeframe for
• Planned Australian Mortgage Insurance IPO
  
• Illumina Inc. (NASDAQ: ILMN) 8% LOWER; Roche Won't Extend Tender Offer
  
• Cree, Inc. (NASDAQ: CREE) 7% LOWER; Q3 results
  
• Tsakos Energy Navigation Limited (NYSE: TNP) 5% LOWER; stock offering
  
• MicroStrategy Inc. (NASDAQ: MSTR) 2% LOWER; downgraded
  
• Intel (NASDAQ: INTC) 2% LOWER; sells-off despite solid Q1 results
  
• Chesapeake Energy (NYSE: CHK) 2% LOWER; reports of risky loans to CEO
  
• IBM (NYSE: IBM) 2% LOWER; sells-off despite solid Q1 results
  
• Berkshire (NYSE: BRK-B) 1.4% LOWER; Warren Buffett diagnosed with Stage I prostate cancer.

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