18 Stocks Moving In Friday's Pre-Market Session

Gainers

• Stemline Therapeutics Inc (NASDAQ: STML) rose 16.7 percent to $13.25 in pre-market trading after the company reported a FDA deal on expedited pathway to full approval of SL-401 in first-line BPDCN.
• Gap Inc (NYSE: GPS) rose 8.7 percent to $25.26 in pre-market trading. Gap reported a 2 percent year-over-year gain in its comparable sales for the November and December 2016 holiday season. Gap comparable sales for December rose 4 percent, compared to a 5 percent decline last year.
• The Medicines Company (NASDAQ: MDCO) rose 8.4 percent to $38.50 in pre-market trading after gaining 0.62 percent on Thursday.
• Ionis Pharmaceuticals Inc (NASDAQ: IONS) shares rose 8.4 percent to $51.02 in pre-market trading after the company reported a licensing deal with Novartis AG (ADR) (NYSE: NVS).
• Neurocrine Biosciences, Inc. (NASDAQ: NBIX) shares rose 6.3 percent to $44.00 in pre-market trading. Neurocrine issued an update on FDA Advisory Committee for INGREZZA for the treatment of tardive dyskinesia.
• Ability Inc (NASDAQ: ABIL) shares rose 6 percent to $3.40 in pre-market trading after climbing 3.88 percent on Thursday.
• Helen of Troy Limited (NASDAQ: HELE) shares rose 5.3 percent to $94.00 in pre-market trading. Helen of Troy reported better-than-expected earnings for its third quarter, but sales missed expectations. The company raised its earnings forecast for the year, but lowered its sales outlook.
• CTI BioPharma Corp (NASDAQ: CTIC) rose 5 percent to $4.68 in pre-market trading after surging 12.34 percent on Thursday.
• Zafgen Inc (NASDAQ: ZFGN) rose 4.5 percent to $3.50 in pre-market trading after gaining 0.60 percent on Thursday.
• Amgen, Inc. (NASDAQ: AMGN) rose 4.3 percent to $159.50 in pre-market trading after the company disclosed that it has won a court ruling for a ban on Sanofi's sales of praluent cholestrol drug.
• Nutanix Inc (NASDAQ: NTNX) shares rose 4.2 percent to $27.87 in pre-market trading after declining 4.91 percent on Thursday.

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Losers

• Ruby Tuesday, Inc. (NYSE: RT) shares fell 12.8 percent to $3.08 in pre-market trading after the company posted a wider quarterly loss. Ruby Tuesday reported Q2 adjusted loss of $0.18 per share on revenue of $214.7 million.
• G-III Apparel Group, Ltd. (NASDAQ: GIII) shares fell 9.2 percent to $26.02 in pre-market trading after the company lowered its guidance for FY17.
• Regeneron Pharmaceuticals Inc (NASDAQ: REGN) fell 4.7 percent to $362.98 in pre-market trading. Amgen won a court ruling for a ban on Regeneron’s sales of Praluent cholestrol drug.
• Arconic Inc (NYSE: ARNC) shares fell around 5.3 percent to $19.03 in pre-market trading after gaining 2.03 percent on Thursday.
• Pandora Media Inc (NYSE: P) fell 4 percent to $12.50 in pre-market trading.
• Orexigen Therapeutics, Inc. (NASDAQ: OREX) fell 4.5 percent to $3.61 in pre-market trading after climbing 11.18 percent on Thursday.
• GoPro Inc (NASDAQ: GPRO) shares fell around 3 percent to $9.07 in pre-market trading. Longbow Research downgraded GoPro from Neutral to Underperform.