Pre-Open Movers 3/27: (OPXT) (ISTA) (LEN) Higher; (MAPP) (APOL) (NBIX) Lower (more...)

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

HIGHER:

• Opnext (Nasdaq: OPXT) 42% HIGHER; Oclaro (Nasdaq: OCLR), Opnext to merge.
  
• ISTA Pharma (Nasdaq: ISTA) 8% HIGHER; acquired by Bausch + Lomb
  
• Landec Corp (NASDAQ: LNDC) 4% HIGHER; tops Q3 views
  
• E-Commerce China Dangdang (Nasdaq: DANG) 4% HIGHER; upgraded
  
• Lennar Corp. (NYSE: LEN) 3% HIGHER; Q1 results
  
• Walgreen (NYSE: WAG) 3% HIGHER; Q2 results
  
• VASCO Data Security International, Inc. (NASDAQ: VDSI) 3% HIGHER; added to S&P SmallCap 600 index
  
• Southern Copper (Nasdaq: SCCO) 3% HIGHER; upgraded

LOWER:

• MAP Pharmaceuticals, Inc. (Nasdaq: MAPP) 18% LOWER; CRL from FDA
  
• Biostar Pharmaceuticals, Inc. (Nasdaq: BSPM) 17% LOWER; lower Q4 results
  
• Neurocrine Biosciences, Inc. (Nasdaq: NBIX) 7% LOWER; provides trial updates
  
• Apollo Group, Inc. (NASDAQ: APOL) 7% LOWER; Q2 results
  
• QR Energy (NYSE: QRE) 3% LOWER; stock offering
  
• Buffalo Wild Wings, Inc. (Nasdaq: BWLD) 2% LOWER; downgrade
  
• Hatteras Financial Corp. (NYSE: HTS) 2% LOWER; stock offering
  
• Dollar General (NYSE: DG) 2% LOWER; stock offering
  
• Bank of America (NYSE: BAC) 1% LOWER; downgrade

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