25 Stocks Moving In Tuesday's Pre-Market Session

Gainers

• Marin Software Incorporated MRIN rose 38.1 percent to $3.95 in pre-market trading after the company issued updated Q4 forecast.
• Puma Biotechnology, Inc. PBYI rose 11.1 percent to $23.80 in pre-market trading after the company reported favorable results from its Phase III NALA trial of Neratinib in breast cancer patients.
• Achillion Pharmaceuticals, Inc. ACHN shares rose 10.4 percent to $2.65 in pre-market trading after the company reported positive interim Phase 2 trials of its first-gen oral factor D inhibitor ACH-4471, as well as pharmacokinetics and potency data for its next-gen factor D inhibitors ACH-5228 and ACH-5548.
• Farfetch Limited FTCH rose 9.5 percent to $23.01 in pre-market trading after falling 12.02 percent on Monday.
• Navistar International Corporation NAV rose 9.1 percent to $26.00 in pre-market trading after the company reported better-than-expected results for its fourth quarter.
• FibroGen, Inc. FGEN rose 9 percent to $42.50 in pre-market trading after the company said its China unit has received marketing authorization from the National Medical Products Administration for Roxadustat, a hypoxia-inducible factor propyl hydroxylase inhibitor for treating patients with anemia caused by chronic kidney disease, who are dialysis dependent.
• SMART Global Holdings, Inc. SGH rose 7.2 percent to $30.10 in pre-market trading. SMART Global will replace XO Group in the S&P SmallCap 600 on Monday, December 24.
• MOGU Inc. MOGU shares rose 6.4 percent to $17.95 in pre-market trading after dropping 17.02 percent on Monday.
• Frank's International N.V. FI rose 6.1 percent to $5.95 in pre-market trading.
• Oracle Corporation ORCL rose 5.6 percent to $48.28 in pre-market trading after the company reported stronger-than-expected results for its second quarter on Monday.
• Big Lots, Inc. BIG rose 4.9 percent to $29.99 in pre-market trading.
• RYB Education, Inc. RYB rose 4.8 percent to $6.34 in pre-market trading after reporting a $12 million buyback plan.
• W&T Offshore, Inc. WTI rose 4.8 percent to $5.00 in pre-market trading.
• CRH plc CRH rose 4.6 percent to $26.34 in pre-market trading.
• STMicroelectronics N.V. STM rose 4.4 percent to $14.00 in pre-market trading.

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Losers

• OptimizeRx Corporation OPRX fell 16 percent to $9.75 in pre-market trading after reporting a proposed 2.1 million share common stock offering.
• Rent-A-Center, Inc. RCII fell 11.3 percent to $12.82 in pre-market trading after terminating its merger agreement with Vintage Capital.
• Optical Cable Corporation OCC fell 7.7 percent to $3.50 in pre-market trading after dropping 3.56percent on Monday.
• Golden Ocean Group Limited GOGL fell 7.3 percent to $6.28 in pre-market trading after declining 3.29 percent on Monday.
• Evofem Biosciences, Inc. EVFM fell 6.2 percent to $3.80 in pre-market trading after climbing 15.71 percent on Monday.
• Astrotech Corporation ASTC fell 5.9 percent to $3.20 in pre-market trading after declining 3.41 percent on Monday.
• China Unicom (Hong Kong) Limited CHU shares fell 5.7 percent to $10.42 in pre-market trading.
• Washington Prime Group Inc. WPG fell 5.6 percent to $5.45 in pre-market trading after dropping 6.18 percent on Monday.
• Diana Shipping Inc. DSX fell 5.4 percent to $3.17 in pre-market trading after rising 3.08 percent on Monday.
• The Western Union Company WU shares fell 4.6 percent to $17.00 in pre-market trading.