Pre-Open Movers 9/27: (MCP) (SLV) (RENN) Higher; (KEYW) (ACW) (NDN) Lower (more...)

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

HIGHER:
Molycorp, Inc. (NYSE: MCP) 8% HIGHER; rumors of more China export cuts
Silver Wheaton Corp. (NYSE: SLW) 6% HIGHER; Silver bounces
iShares Silver Trust (NYSE: SLV) 6% HIGHER; silver rallies after recent sell-off
Renaissance Learning Inc. (NASDAQ: RLRN) 6% HIGHER; acquired for $16.60/sh
Renren Inc. (NYSE: RENN) 6% HIGHER; to Acquire 56.com in $80M Deal
Flotek Industries, Inc. (NYSE: FTK) 5% HIGHER; issues investor update
Measurement Specialties Inc. (NASDAQ: MEAS) 5% HIGHER; added to S&P SmallCap 600
Eastman Kodak Co. (NYSE: EK) 5% HIGHER; bounces after yesterday's big sell-off
Affymax, Inc. (Nasdaq: AFFY) 4% HIGHER; upgraded
Potash Corp. (NYSE: POT) 3% HIGHER; upgraded
ONEOK Partners, L.P. (NYSE: OKS) 3% HIGHER; sees 2012 earnings up 20%
InterDigital, Inc. (NASDAQ: IDCC) 3% HIGHER; says strategic review in ongoing
Cliffs Natural Resources Inc. (NYSE: CLF) 3% HIGHER; exploring sale of renewaFUEL
SPDR Gold Shares (NYSE: GLD) 2% HIGHER; gold rallies after recent sell-off
Genesis Energy LP (NYSE: GEL) 2% HIGHER; upgraded
Bunge Limited (NYSE: BG) 2% HIGHER; upgraded
Stryker Corp. (NYSE: SYK) 2% HIGHER; upgraded
Apple (Nasdaq: AAPL) 1% HIGHER; bounces after supply chain worries discounted

LOWER:
The KEYW Holding Corporation (Nasdaq: KEYW) 20% LOWER; losses contract
Accuride (NYSE: ACW) 10% LOWER; cuts guidance
99 Cents Only Stores (NYSE: NDN) 3% LOWER; bidder may have dropped out
GSV Capital Corp (Nasdaq: GSVC) 2% LOWER; stock offering
Walgreen Co. (NYSE: WAG) 2% LOWER; reports Q4, Says Plans 'Not to be Part' of Express Scripts (Nasdaq: ESRX) Network

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