Pre-Open Movers 5/13: (EK) (TYC) (DF) Higher; (CA) (YHOO) (NVDA) Lower (more...)

Below is a listing of stocks making big moves in pre-open trading Friday.

HIGHER:
Tree.com (Nasdaq: TREE) 31% HIGHER; sold assets to Discover (NYSE: DFS)
Astea International, Inc. (NASDAQ: ATEA) 31%; strong Q1 results
Darling International (NYSE: DAR) 9.8% HIGHER; strong Q1 results
BioMimetic Therapeutics Inc. (NASDAQ: BMTI) 9% LOWER; FDA panel backing
Agilent Technologies Inc. (NYSE: A) 7% HIGHER; strong Q2 results/guidance
Eastman Kodak Co. (NYSE: EK) 7% HIGHER; positive ruling
Velti plc (NASDAQ: VELT) 5% HIGHER; strong Q1
Tyco International Ltd. (NYSE: TYC) 5% HIGHER; renewed takeover speculation
Giant Interactive Group, Inc. (NYSE: GA) 5% HIGHER; strong Q1
Dean Foods Co. (NYSE: DF) 5% HIGHER; upgraded
Penson Worldwide Inc (NASDAQ: PNSN) 3% HIGHER; rebounds after big sell-off Thursday
Aetna Inc. (NYSE: AET) 1% HIGHER; upgraded
AIG (NYSE: AIG) 1% HIGHER; upgraded

LOWER:
Evergreen Solar, Inc. (NASDAQ: ESLR) 16% LOWER; weak Q1
Andatee China Marine Fuel Services Corp. (NASDAQ: AMCF) 10% LOWER; Q1 results
Scorpio Tankers Inc. (NYSE: STNG) 7% LOWER; stock offering
CA (NYSE: CA) 7% LOWER; Q4 results
Yahoo! Inc. (Nasdaq: YHOO) 6% LOWER; releases statement on Alipay
NVIDIA Corporation (NASDAQ: NVDA) 6% LOWER; Q1 results and poor guidance
El Paso Pipeline Partners, L.P. (NYSE: EPB) 4% LOWER; stock offering
Lexington Realty Trust (NYSE: LXP) 3% LOWER; stock offering
Nordstrom Inc. (NYSE: JWN) 2% LOWER; Q1 results

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