Pre-Open Movers 4/13: (GRM) (RVBD) (JPM) Higher; (INVE) (HCSG) (TYC) Lower (more...)

Below is a list of stocks moving sharply higher or lower in pre-open trading 4/13:

HIGHER:
ZOOM Technologies, Inc. (Nasdaq: ZOOM) 47% HIGHER; deal with Qualcomm
Graham Packaging Company, Inc. (NYSE: GRM) 29% HIGHER; to be acquired by Silgan (Nasdaq: SLGN)
Riverbed Technology, Inc. (Nasdaq: RVBD) 14% HIGHER; raises outlook
Pluristem Therapeutics, Inc. (Nasdaq: PSTI) 8% HIGHER; positive drug results
ADTRAN Inc. (Nasdaq: ADTN) 6% HIGHER; strong Q1 results
iRobot Corporation (Nasdaq: IRBT) 4% HIGHER; $230M order
MGM Resorts International (NYSE: MGM) 4% HIGHER; sets structure for Macau IPO ownership.
Aruba Networks, Inc. (Nasdaq: ARUN) 4% HIGHER; higher guidance from Riverbed
Acme Packet, Inc. (Nasdaq: APKT) 3% HIGHER; higher guidance from Riverbed
F5 Networks, Inc. (Nasdaq: FFIV) 3% HIGHER; higher guidance from Riverbed
Sina Corp. (Nasdaq: SINA) 3% HIGHER; new buy rating
Rare Element Resources Ltd. (AMEX: REE) 3% HIGHER; reports rare earth prices will continue higher
Baidu, Inc. (Nasdaq: BIDU) 2% HIGHER; new buy rating.
Juniper Networks, Inc. (Nasdaq: JNPR) 2% HIGHER; higher guidance from Riverbed
Molycorp, Inc. (NYSE: MCP) 2% HIGHER; reports rare earth prices will continue higher
Cliffs Natural Resources Inc. (NYSE: CLF) 2% HIGHER; new Buy rating.
JPMorgan Chase & Co. (NYSE: JPM) 1% HIGHER; solid Q1 results

LOWER:
Identive Group, Inc. (Nasdaq: INVE) 23% LOWER; give back some of yesterday's 114% gains
China North East Petroleum (AMEX: AMEX) 20% LOWER; possible fraud report
Healthcare Services Group Inc. (Nasdaq: HCSG) 10% LOWER; reports Q1 results
Tyco International Ltd. (NYSE: TYC) 2% LOWER; Schneider denied takeover talk
Advance Auto Parts Inc. (NYSE: AAP) 2% LOWER; downgraded
O'Reilly Automotive Inc. (Nasdaq: ORLY) 2% LOWER; downgraded

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