21 Stocks Moving In Tuesday's Pre-Market Session

Gainers

• Heat Biologics, Inc. HTBX rose 44.9 percent to $3.10 in pre-market trading after climbing 87.72 percent on Monday.
• Inogen, Inc. INGN rose 25.2 percent to $175.99 in pre-market trading following its first-quarter earnings report that saw FY18 sales guidance raised. Earnings came in at 48 cents per share, up from 27 cents per share last year. Sales came in at $79.1 million, beating estimates by $15 million.
• Karyopharm Therapeutics Inc. KPTI rose 23.9 percent to $16.20 in pre-market trading following positive trial data from STORM study for selinexor.
• Nutrisystem, Inc. NTRI shares rose 10.5 percent to $32.05 in pre-market trading after reporting better-than-expected Q1 earnings.
• Electronics for Imaging, Inc. EFII rose 9.3 percent to $30.27 in pre-market trading following Q1 sales beat.
• Harmonic Inc. HLIT rose 8.2 percent to $3.95 in pre-market trading following upbeat quarterly earnings.
• Intellia Therapeutics, Inc. NTLA shares rose 7.8 percent to $21.59 in pre-market trading after reporting Q1 results.
• Tonix Pharmaceuticals Holding Corp. TNXP shares rose 6.7 percent to $3.33 in pre-market trading after the company received IND clearance by the U.S. FDA for TNX-102 SL in agitation in Alzheimer's disease.
• Eloxx Pharmaceuticals, Inc. ELOX rose 6.8 percent to $13.10 in pre-market trading. Eloxx Pharmaceuticals reported completion of public offering of common stock and exercise in full of underwriters’ option to purchase additional shares.
• Tenet Healthcare Corporation THC rose 5.7 percent to $25.30 in pre-market trading after the company reported stronger-than-expected results for its first quarter and raised its forecast for the year.
• Allison Transmission Holdings, Inc. ALSN shares rose 3.5 percent to $40.35 in pre-market trading after reporting upbeat results for its first quarter on Monday.

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Check out these big penny stock gainers and losers

Losers

• Intevac, Inc. IVAC fell 20.7 percent to $5.20 in pre-market trading after reporting a first-quarter sales miss.
• Cognex Corporation CGNX fell 16.1 percent to $38.81 in pre-market trading following Q1 miss and downbeat Q2 sales guidance.
• AzurRx BioPharma, Inc. AZRX shares fell 12 percent to $2.49 in pre-market trading after reporting an offering of common shares.
• Tapestry, Inc. TPR shares fell 11.5 percent to $47.57 in pre-market trading after reporting Q3 results.
• Genprex, Inc. GNPX fell 10.5 percent to $13.87 in pre-market trading after rising 1.84 percent on Monday.
• KLX Inc. KLXI fell 7.8 percent to $72.17 in pre-market trading. Boeing Company BA announced plans to acquire KLX for $4.25 billion.
• Intelsat S.A. I fell 6.4 percent to $9.15 in pre-market trading following downbeat quarterly earnings.
• Archrock, Inc. AROC fell 6.4 percent to $10.10 in pre-market trading after dropping 3.57 percent on Monday.
• Sinovac Biotech Ltd. SVA shares fell 4.2 percent to $7.34 in pre-market trading. Sinovac has been forced to temporarily suspend flu vaccine production due to disruptive actions taken by minority shareholder of Sinovac Beijing.
• Cronos Group Inc. CRON fell 4.1 percent to $6.63 in pre-market trading after gaining 1.62 percent on Monday.