Pre-Open Movers 4/10: (SVU) (YPF) (VVUS) Higher; (VPHM) (AOL) (HLIT) Lower (more..)

Below are stocks making major moves in pre-open aciton Tuesday:

HIGHER:

• Supervalu, Inc. (NYSE: SVU) 18% HIGHER; Tops Q4 EPS by 3c; Guides FY13 Above the Street
  
• Akorn, Inc. (Nasdaq: AKRX) 8% HIGHER; Approval and Launch of Generic Vancocin
  
• YPF S.A. (NYSE: YPF) 7% HIGHER; takeover rumors
  
• InterOil Corporation (NYSE: IOC) 5% HIGHER; upgraded, positive PPG election news
  
• VIVUS (Nasdaq: VVUS) 4% HIGHER; reverses after-hours weakness following 3-month PDUFA extension on Qnexa
  
• eResearchTechnology (NYSE: ERT) 2% HIGHER; takeover
  
• Arena Pharma (Nasdaq: ARNA) 2% HIGHER; trading higher amid the Qnexa news.
  
• Affymax, Inc. (Nasdaq: AFFY) 2% HIGHER; $50 million development milestone payment from Takeda
  
• Dell (Nasdaq: DELL) 2% HIGHER; upgraded
  
• AIG (NYSE: AIG) 1% HIGHER; upgraded
  
• Infinera Corporation (Nasdaq: INFN) 1% HIGHER; upgraded
  
• Chesapeake Energy (NYSE: CHK) 1% HIGHER; announcement on monetizing assets.

LOWER:

• ViroPharma Inc. (Nasdaq: VPHM) 20% LOWER; Watson (NYSE: WPI) Gets FDA Approval for Generic VANCOCIN Tabs
  
• AOL, Inc. (NYSE: AOL) 1% LOWER; profit taking after yesterdays' big run on patent sale
  
• Harmonic (Nasdaq: HLIT) 3% LOWER; lowers Q1 views
  
• PPL Corp. (NYSE: PPL) 2% LOWER; stock offering

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