24 Stocks Moving In Wednesday's Pre-Market Session

Gainers

• Vicor Corporation VICR rose 19.7 percent to $35 in pre-market trading. Vicor posted Q1 earnings of $0.10 per share on sales of $65.2 million.
• Check-Cap Ltd. CHEK shares rose 13.5 percent to $16.88 in pre-market trading after climbing 104.82 percent on Tuesday.
• Cree, Inc. CREE shares rose 11.3 percent to $43.81 in pre-market trading as the company reported upbeat results for its third quarter on Tuesday.
• The Clorox Company CLX rose 9.6 percent to $125.98 in pre-market trading.
• Aduro BioTech, Inc. ADRO rose 5.8 percent to $7.25 in pre-market trading after falling 1.44 percent on Tuesday.
• STMicroelectronics N.V. STM rose 5.2 percent to $22.42 in pre-market trading after reporting Q1 results.
• Twitter, Inc. TWTR rose 5.2 percent to $32.05 in pre-market trading as the company reported stronger-than-expected results for its first quarter on Wednesday.
• Credit Suisse Group AG CS rose 5 percent to $17.11 in pre-market trading following strong Q1 results.
• Harmony Gold Mining Company Limited HMY shares rose 4.4 percent to $2.02 in pre-market trading.
• 22nd Century Group, Inc. XXII rose 4.9 percent to $2.15 in pre-market trading after dropping 8.07 percent on Tuesday.
• Texas Instruments Incorporated TXN rose 4.1 percent to $102.40 in pre-market trading after the company reported stronger-than-expected earnings for its first quarter on Tuesday.
• iRobot Corporation IRBT rose 3.3 percent to $61 in pre-market trading following upbeat quarterly earnings.

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Losers

• Teradyne, Inc. TER fell 10.8 percent to $37.02 in pre-market trading after the company issued downbeat Q2 guidance.
• Edwards Lifesciences Corporation EW fell 9.2 percent to $122.29 in pre-market trading. Edwards Lifesciences reported better-than-expected results for its first quarter, but issued weak earnings guidance for the second quarter.
• New Gold Inc. NGD fell 8.8 percent to $2.30 in pre-market trading after rising 4.13 percent on Tuesday.
• Gold Fields Limited (ADR) GFI fell 8.6 percent to $3.61 in pre-market trading.
• Natus Medical Incorporated BABY fell 8.2 percent to $32.95 in pre-market trading after the company issued weak forecast for the second quarter.
• Atossa Genetics Inc. ATOS shares fell 7.9 percent to $3.50 in pre-market trading after climbing 27.09 percent on Tuesday.
• Bright Scholar Education Holdings Limited BEDU shares fell 6.7 percent to $13.58 in pre-market trading after reporting Q1 results.
• Sangamo Therapeutics Inc SGMO fell 5.9 percent to $16.75 in pre-market trading following announcement of a $200 million common stock offering.
• Foresight Autonomous Holdings Ltd FRSX shares fell 5.7 percent to $3.29 in pre-market trading after declining 3.32 percent on Tuesday.
• Euronav NV EURN fell 4.8 percent to $8.40 in pre-market trading.
• Limelight Networks, Inc. LLNW shares fell 4.3 percent to $4.69 in pre-market trading.
• Gaming and Leisure Properties Inc GLPI shares fell 4.1 percent to $32.92 in pre-market trading after the company issued downbeat quarterly results and reported the retirement of CFO William Clifford.