20 Stocks Moving In Friday's Pre-Market Session

Gainers

• Digital Ally, Inc. DGLY shares rose 69.8 percent to $5.35 in pre-market trading after the company reported a 'significant victory' in legal battles against Axon Enterprise Inc AAXN.
• The Advisory Board Company ABCO rose 19.8 percent to $64.95 in pre-market trading on a Bloomberg report that UnitedHealth Group Inc UNH and Vista Equity partners are near a deal to buy the company, according to sources. The sources say UNH would acquire ABCO's health-care division, while Vista would acquire the education unit for as much as $1.5 billion.
• Aileron Therapeutics Inc ALRN rose 10.9 percent to $14.75 in pre-market trading after gaining 8.04 percent on Thursday.
• Synchronoss Technologies, Inc. SNCR shares rose 9.4 percent to $17.35 in pre-market trading after the company reported the review of strategic alternatives. The company said strategic alternatives could include sale or other transaction.
• NRG Energy Inc NRG shares rose 7.8 percent to $17.63 in pre-market trading after dropping 2.62 percent on Thursday.
• Vistra Energy Corp VST rose 4.4 percent to $17.20 in pre-market trading after falling 1.61 percent on Thursday.
• Verastem Inc VSTM shares rose 3.5 percent to $3.57 in pre-market trading after climbing 41.98 percent on Thursday.
• Sparton Corporation SPA rose 3 percent to $23.02 in pre-market trading after the company agreed to be acquired by Ultra Electronics Holdings plc for $23.50 per share in cash.
• Tesla Inc TSLA shares rose 1.7 percent to $314.00 in pre-market trading after declining 5.58 percent on Thursday.

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Losers

• Cherokee Inc CHKE shares fell 25.2 percent to $5.80 in pre-market trading after the company reported a loss for its first quarter on Thursday. The company reported an adjusted loss of $0.07 per share, versus analysts’ estimates for a profit of $0.13 per share.
• Dextera Surgical Inc DXTR fell 14.5 percent to $0.265 in pre-market trading after the company disclosed that it has placed 'temporary shipping hold' on MicroCutter 5/80. The company also reported preliminary FY17 total product sales of $2.9 million to $3 million.
• Hecla Mining Company HL fell 6.9 percent to $4.60 in pre-market trading after dropping 1.00 percent on Thursday.
• CGG SA (ADR) CGG fell 6.8 percent to $4.32 in pre-market trading after slipping 4.32 percent on Thursday.
• Allied World Assurance Company Hldgs Ltd AWH shares fell 6.1 percent to $49.79 in pre-market trading after declining 1.03 percent on Thursday.
• EQT Corporation EQT shares fell 5.9 percent to $55.54 in pre-market trading after dropping 1.32 percent on Thursday.
• Ocular Therapeutix Inc OCUL shares fell 4.2 percent to $9.10 in pre-market trading after dropping 6.68 percent on Thursday.
• Kitov Pharmaceuticals Holdings Ltd KTOV fell 4.2 percent to $2.29 in pre-market trading after surging 42.26 percent on Thursday.
• Activision Blizzard, Inc. ATVI shares fell 3.7 percent to $54.52 after dropping 0.91 percent on Thursday.
• Oasis Petroleum Inc. OAS fell 3 percent to $7.50 in pre-market trading after declining 3.86 percent on Thursday.
• Whiting Petroleum Corp WLL shares fell 2.3 percent to $5.08 in the pre-market trading session after dropping 2.62 percent on Thursday.