Pre-Open Movers 5/21: (CBE) (SWHC) (YHOO) Higher; (LOW) (BLK) (FB) Lower (more...)

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

HIGHER:

• Peregrine Pharmaceuticals (Nasdaq: PPHM) 31% HIGHER; positive trial data
  
• Cooper Industries (NYSE: CBE) 25% HIGHER; acquired by Eaton (NYSE: ETN).
  
• Smith & Wesson (Nasdaq: SWHC) 14% HIGEHR; Preliminary Q4 Sales Come in Better than Views
  
• American Eagle Outfitters (NYSE: AEO) 7% HIGHER; CFO steps down, exits Children's Brand 77kids
  
• Yahoo! (Nasdaq: YHOO) 5% HIGHER; sells half of Alibaba stake for $7.1B, lifts buyback plan by $5 billion.
  
• Krispy Kreme Doughnuts (NYSE: KKD) 4% HIGHER; Q1 results
  
• Alpha Natural Resources (NYSE: ANR) 2% HIGHER; upgraded
  
• Safeway Inc.(NYSE: SWY) 1% HIGHER; upgraded

LOWER:

• Lowes Cos. (NYSE: LOW) 6% LOWER; Q1 results, light FY12 guidance
  
• BlackRock (NYSE: BLK) 3% LOWER; Barclays to Sell Entire $6.1B BlackRock stake
  
• Facebook, Inc. (NYSE: FB) 4% LOWER; breaks IPO syndicate
  
• Avon Products (NYSE: AVP) 4% LOWER; continues lower after Coty drops bid
  
• Morgan Stanley (NYSE: MS) 2% LOWER; downgraded
  
• XL Group plc (NYSE: XL) 2% LOWER; downgraded

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