Top Pre-Market Gainers

Microvision Inc (NASDAQ: MVIS) soared 23.04% to $2.35 in the pre-market trading. MVIS received purchase orders from Pioneer Corporation valued in excess of $4 million. Leap Wireless International Inc (NASDAQ: LEAP) surged 8.84% to $6.28 in the pre-market session. LEAP is scheduled to host a...

Osiris Therapeutics Inc (NASDAQ: OSIR) surged 16.02% to $7.53 in the pre-market session. OSIR received transitional pass-through status from the Center for Medicare & Medicaid Services for Grafix. Digital Generation Inc (NASDAQ: DGIT) added 11.60% to $10.10 in the pre-market session. DGIT's...

Peabody Energy Corp (NYSE: BTU) surged 6.78% to $25.50 in the pre-market session. Analysts at Goldman Sachs upgraded BTU from “neutral” to “buy.” Complete Genomics Inc (NASDAQ: GNOM) added 6.67% to $3.20 in the pre-market session. GNOM shares have dipped 81.23% over the past 52 weeks, while the S...

Infoblox Inc (NYSE: BLOX) surged 7.76% to $20.00 in the pre-market session. Infoblox posted its Q3 earnings at $0.05 per share on revenue of $43 million. However, analysts were expecting earnings of $0.01 per share on sales of $41 million. The company also issued upbeat forecast for the fourth...

Pandora Media Inc (NYSE: P) surged 15.68% to $11.95 in the pre-market session. Pandora Media reported stronger-than-expected Q1 results. Hewlett-Packard Company (NYSE: HPQ) moved up 8.16% to $22.80 in the pre-market session. Hewlett-Packard reported upbeat quarterly results and announced its...

Best Buy Co Inc (NYSE: BBY) surged 6.71% to $19.39 in the pre-market session. Best Buy reported upbeat Q1 sales. Arena Pharmaceuticals Inc (NASDAQ: ARNA) moved up 4.56% to $6.19 in the pre-market session. ARNA completed an underwritten public offering of 12,650,000 shares of its common stock....

Sears Holdings Corporation (NASDAQ: SHLD) surged 10.71% to $56.32 in the pre-market session. SHLD's trailing-twelve-month revenue is $41.30 billion. Ultra Clean Holdings Inc (NASDAQ: UCTT) added 9.02% to $5.80 in the pre-market session. Ultra Clean announced its plans to buy privately held...

Osiris Therapeutics Inc (NASDAQ: OSIR) soared 13.12% to $5.95 in the pre-market trading. Osiris received marketing authorization from Health Canada for its stem cell therapy Prochymal. salesforce.com inc (NYSE: CRM) surged 7.06% to $143.25 in the pre-market session. CRM lifts full-year forecast....

Boyd Gaming Corp (NYSE: BYD) surged 8.88% to $7.60 in the pre-market session. Boyd Gaming announced its plans to buy Peninsula Gaming LLC for $1.45 billion. Onyx Pharmaceuticals Inc (NASDAQ: ONXX) added 7.22% to $46.50 in the pre-market session. ONXX's trailing-twelve-month revenue is $452.06...

Groupon Inc (NASDAQ: GRPN) surged 24.41% to $14.60 in the pre-market session. Groupon reported better-than-expected first-quarter revenue. Zynga Inc (NASDAQ: ZNGA) moved up 7.67% to $8.56 in the pre-market session. ZNGA's PEG ratio is 1.33. Amylin Pharmaceuticals Inc (NASDAQ: AMLN) rose 5.46% to...