Pre-Open Movers 7/21: (SFN) (MHS) (MS) Higher; (TZOO) (STX) (FFIV) Lower (more...)

Below ares stocks making meaningful moves in pre-open trading Thursday.

HIGHER:
SFN Group, Inc. (NYSE: SFN) 52% HIGHER; to be acquired
MedcoHealth Solutions Inc. (NYSE: MHS) 21% HIGHER; acquired by Express Scripts
Datalink Corp (NASDAQ: DTLK) 17% HIGHER; tops Q3 views, guides above the Street
Microvision Inc. (NASDAQ: MVIS) 15% HIGHER; Q2 results
Procera Networks, Inc. (NYSE: PKT) 10% HIGHER; Q2 results
InterDigital, Inc. (NASDAQ: IDCC) 9% HIGHER; continued M&A speculation
Express Scripts Inc. (ESRX) 9% HIGHER; to acquire MedcoHealth
Robert Half International (NYSE: RHI) 8% HIGHER; tops Q2 views
Morgan Stanley (NYSE: MS) 6% HIGHER; Q2 results
Mellanox Technologies, Ltd. (NASDAQ: MLNX) 6% HIGHER; tops Q2 views
Financial Engines Inc. (NASDAQ: FNGN) 5% HIGHER; moving to SmallCap 600
Banner Corporation (NASDAQ: BANR) 5% HIGHER; Q2 results
Badger Meter (NYSE: BMI) 4% HIGHER; tops Q2
CVS Caremark Corporation (NYSE: CVS) 3% HIGHER; higher on MedcoHealth/Express Scripts deal
eBay, Inc. (NASDAQ: EBAY) 1% HIGHER; Q2 results, guidance

LOWER:
Travelzoo Inc. (NASDAQ: TZOO) 30% LOWER; Q2 miss
NetSol (NASDAQ: NTWK) 30% LOWER; cuts FY11 outlook
Saba Software, Inc. (NASDAQ: SABA) 15% LOWER; Q4 loss
Seagate Technology (NASDAQ: STX) 10% LOWER; misses Q2
Plexus Corp (NASDAQ: PLXS) 10% LOWER; Q3 results
Genworth Financial Inc. (NYSE: GNW) 9% LOWER; sees wider Q2 loss
MKS Instruments, Inc. (NASDAQ: MKSI) 7% LOWER; Q2 results, lower guidance
F5 Networks (NASDAQ: FFIV) 6% LOWER; lackluster Q2 results, guidance
Terex Corp. (NYSE: TEX) 5% LOWER; Q2 results, lowers guidance
Tractor Supply Co (NASDAQ: TSCO) 4% LOWER; Q2 results, guidance
8x8, Inc. (NASDAQ: EGHT) 3% LOWER; Q1 results
Core Laboratories NV (NYSE: CLB) 3% LOWER; downgraded
Cheesecake Factory (NASDAQ: CAKE) 2% LOWER; in-line Q2
Qualcomm, Inc. (NASDAQ: QCOM) 2% LOWER; Q3 results
Intel (NASDAQ: INTC) 2% LOWER; Q2 results
Parexel International Corp. (NASDAQ: PRXL) 2% LOWER; downgraded
Toll Brothers Inc. (NYSE: TOL) 2% LOWER; downgraded

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