22 Stocks Moving In Tuesday's Pre-Market Session

Gainers

• CombiMatrix Corp CBMX shares rose 45.5 percent to $7.35 in pre-market trading as the company disclosed that it has entered into a merger agreement with InVitae Corp NVTA.
• Zion Oil & Gas, Inc. ZN shares rose 12 percent to $4.49 in pre-market trading after dropping 4.98 percent on Monday.
• AcelRx Pharmaceuticals Inc ACRX rose 10.3 percent to $4.30 in pre-market trading. AcelRx Pharmaceuticals reported successful outcome of ZALVISO Phase 3 IAP312 study on device functionality. The company also reported a Q2 loss of $0.29 per share on revenue of $2.65 million.
• Melco Resorts & Entertainment Ltd(ADR) MLCO rose 10 percent to $22.21 in pre-market trading after falling 0.59 percent on Monday.
• Celldex Therapeutics, Inc. CLDX gained 9.2 percent to $2.50. H.C. Wainwright assumed Celldex Therapeutics with a Buy rating and a $10.00 price target.
• Cognex Corporation CGNX rose 8.3 percent to $102.92 in pre-market trading as the company reported better-than-expected earnings for its second quarter..
• Apache Corporation APA rose 6.4 percent to $52.64 in pre-market trading after slipping 1.06 percent on Monday.
• Groupon Inc GRPN shares rose 6.1 percent to $3.99 in the pre-market trading session. Groupon and GrubHub Inc GRUB reported a strategic partnership to bring food delivery to Groupon customers throughout the United States.
• Shopify Inc (US) SHOP rose 6.1 percent to $98.00 in pre-market trading after the company reported upbeat Q2 results and issued a strong FY17 outlook.
• Endo International plc ENDP shares rose 6 percent to $11.68 in pre-market trading. Endo is expected to release Q2 earnings on August 8.
• Middleby Corp MIDD rose 5.9 percent to $138.36 in pre-market trading after gaining 1.15 percent on Monday.
• Golden Ocean Group Ltd GOGL shares rose 4.7 percent to $7.53 in pre-market trading after climbing 4.51 percent on Monday.
• AirMedia Group Inc (ADR) AMCN rose 4.1 percent to $2.80 in pre-market trading after gaining 6.96 percent on Monday.
• BP plc (ADR) BP shares rose 3.4 percent to $36.32 in pre-market trading after reporting strong Q2 earnings.

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Losers

• Turquoise Hill Resources Ltd TRQ shares fell 29.2 percent to $2.33 in pre-market trading. Turquoise Hill reported Q2 earnings of $0.01 per share on sales of $203.7 million.
• Yirendai Ltd - ADR YRD shares fell 7.4 percent to $35.44 in pre-market trading. Yirendai posted Q2 earnings of $0.66 per share on revenue of $174.5 million.
• LG Display Co Ltd. (ADR) LPL fell 7 percent to $13.24 in pre-market trading after rising 1.35 percent on Monday.
• U.S. Silica Holdings Inc SLCA fell 6 percent to $27.40 in pre-market trading after the company reported weaker-than-expected Q2 results.
• Integrated Device Technology Inc IDTI fell 4.7 percent to $24.90 in pre-market trading despite reporting upbeat Q2 results.
• Extended Stay America Inc STAY shares rose 3.9 percent to $19.00 in pre-market trading after the company posted downbeat Q2 sales and lowered its FY 2017 sales forecast.
• Hertz Global Holdings, Inc HTZ fell 3.4 percent to $13.20 in pre-market trading after dropping 21.16 percent on Monday.
• CGG SA (ADR) CGG shares fell 2.8 percent to $4.27 after dropping 2.15 percent on Monday.