31 Stocks Moving In Tuesday's Pre-Market Session

Gainers

• Altimmune, Inc. ALT rose 19% to $2.95 in pre-market trading after the company announced to acquire Spitfire Pharma, which will add a NASH drug candidate to the company's portfolio.
• Check-Cap Ltd. CHEK rose 17% to $2.55 in pre-market trading after the company reported results from its post-CE approval study of its C-Scan.
• China Advanced Constructn Mtrls Grp Inc CADC rose 10.2% to $4.00 in pre-market trading after gaining 3.71% on Monday.
• Catalyst Biosciences, Inc. CBIO shares rose 9.1% to $9.00 in pre-market trading after declining 11.39% on Monday.
• Euro Tech Holdings Company Limited CLWT rose 9% to $4.75 in pre-market trading after gaining 6.60% on Monday.
• OrganiGram Holdings Inc. OGI shares rose 8.9% to $7.71 in pre-market trading after the company announced it developed proprietary nano-emulsification technology that will allow for the production of both liquid and powdered cannabinoid products.
• AzurRx BioPharma Inc AZRX rose 6.4% to $1.33 in pre-market trading after the company announced it initiated the Phase 2 clinical study for MS1819-SD in combination with standard PERT.
• Ameri Holdings Inc AMRH rose 6.2% to $0.38 in pre-market trading after the company announced it has partnered with Inpedio to bring Cybersecurity to SAP landscape.
• Applied Optoelectronics, Inc. AAOI rose 5.2% to $10.09 in pre-market trading.
• Rite Aid Corporation RAD rose 4.9% to $9.50 in pre-market trading.
• Varian Medical Systems, Inc. VAR shares rose 4.4% to $143.41 in pre-market trading.
• RingCentral, Inc. RNG rose 4.1% to $124.55 in pre-market trading.
• VEON Ltd. VEON rose 3.9% to $3.23 in pre-market trading. Bank of America upgraded VEON from Neutral to Buy.
• Overstock.com, Inc. OSTK rose 3.8% to $17.30 in pre-market trading after gaining 13.04% on Monday.
• Social Capital Hedosophia Holdings Corp IPOA rose 3.6% to $10.80 in pre-market trading after the company announced a merger with Virgin Galactic to create a publicly traded commercial spaceflight company.
• Camber Energy, Inc. CEI rose 3.5% to $2.10 in pre-market trading after falling 30.95% on Monday.
• Montage Resources Corp MR rose 3.5% to $5.35 in pre-market trading after the company announced it expects its Q2 production to be above the high end of its previously announced guidance.
• Cadence Design Systems, Inc. CDNS rose 3.4% to $76.89 in pre-market trading.
• Worldpay, Inc. WP rose 3% to $132.16 in pre-market trading.

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Check out these big penny stock gainers and losers

Losers

• AquaVenture Holdings Ltd WAAS fell 5.5% to $17.80 in pre-market trading after reporting a 4.1 million share common stock offering.
• Stein Mart, Inc. SMRT fell 5% to $0.77 in pre-market trading after reporting the company has received a letter from NASDAQ indicated that the closing bid price of the company’s stock has not met the $1 minimum bid price for shares for the past 30 days.
• Newmont Goldcorp Corporation NEM fell 5% to $36.37 in pre-market trading.
• Noah Holdings Limited NOAH fell 4.6% to $33.98 in pre-market trading after dropping 20.43% on Monday.
• Lindsay Corporation LNN fell 4.5% to $76.00 in pre-market trading after the company reported downbeat results for its third quarter.
• Gold Fields Limited GFI shares fell 4.4% to $5.19 in pre-market trading after rising 4.83% on Monday.
• Huami Corporation HMI fell 4.2% to $9.80 in pre-market trading.
• Catalyst Biosciences, Inc. CBIO fell 3.4% to $7.97 in pre-market trading after dropping 11.39% on Monday.
• New Mountain Finance Corporation NMFC fell 3.2% to $13.55 in pre-market trading after the company reported a common stock offering of 6 million shares.
• Logitech International S.A. LOGI fell 3.1% to $38.10 in pre-market trading.
• Fresenius Medical Care AG & Co. KGaA FMS fell 3% to $38.26 in pre-market trading.
• MercadoLibre, Inc. MELI fell 3% to $611.00 in pre-market trading.