Pre-Open Movers 3/28: (AMLN) (ZZ) (PNR) Higher; (SNX) (ARNA) (EXFO) Lower (more...)

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

HIGHER:

• Amylin Pharmaceuticals (Nasdaq: AMLN) 50% HIGHER; reports it rejected $3.5B bid from Bristol-Myers (NYSE: BMY)
  
• Sealy Corp. (NYSE: ZZ) 19% HIGHER; tops Q1 views
  
• Pentair (NYSE: PNR) 17% HIGHER; To combine with Tyco's (TYC) Flow Control Biz in $10B All-Stock Deal
  
• Zoltek Companies (Nasdaq: ZOLT) 12% HIGHER; deal with Magna, upgraded
  
• Robbins & Myers, Inc. (NYSE: RBN) 9% HIGHER; tops Q2 views, issues solid guidance
  
• Netlist, Inc. (Nasdaq: NLST) 8% HIGHER; patent action
  
• Frontline (NYSE: FRO) 7% HIGHER; upgraded
  
• MedcoHealth (NYSE: MHS) 6% HIGHER; deal with Express Scripts could close as soon as next week
  
• Express Scripts, Inc. (Nasdaq: ESRX) 5% HIGHER; deal with MedcoHealth could close as soon as next week.
  
• DIRECTV (NYSE: DTV) 2% HIGHER; upgraded
  
• NVIDIA (Nasdaq: NVDA) 1% HIGHER; upgraded

LOWER:

• Synnex Corp. (NYSE: SNX) 10% LOWER; Q1 results, lower Q2 guidance
  
• Arena Pharmaceuticals, Inc. (Nasdaq: ARNA) 9% LOWER; downgraded
  
• EXFO Inc (Nasdaq: EXFO) 5% LOWER; misses Q2 views
  
• JoS. A. Bank (Nasdaq: JOSB) 4% LOWER; posts FY11 results
  
• Dollar General (NYSE: DG) 1% LOWER; stock offering

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