Gainers

  • Westmoreland Resource Partners, LP WMLProse 24.4 percent to $2.45 in pre-market trading after climbing 19.63 percent on Thursday.
  • Sierra Wireless, Inc. SWIRrose 21.3 percent to $19.65 in pre-market trading after the company posted better-than-expected Q2 results.
  • Medifast, Inc.MED rose 18.3 percent to $207 in pre-market trading following upbeat Q2 results.
  • Adamas Pharmaceuticals, Inc.ADMS shares rose 13.5 percent to $28.25 in pre-market trading after reporting strong Q2 results.
  • Take-Two Interactive Sofare, Inc..TTWO shares rose 12.5 percent to $127.42 in pre-market trading following Q1 earnings.
  • Clearside Biomedical, Inc.CLSD shares rose 10.4 percent to $9.02 in pre-market trading. Clearside Biomedical is expected to release Q2 results on August 8.
  • Acacia Communications, Inc.ACIA shares rose 9.9 percent to $37.00 in pre-market trading after reporting a second-quarter earnings beat. The company also issued strong third-quarter earnings and sales guidance.
  • Control4 Corporation CTRLrose 8.7 percent to $28.55 in pre-market trading following better-than-expected Q2 results.
  • Aegean Marine Petroleum Network Inc.ANW rose 8.6 percent to $2.02 in pre-market trading after climbing 18.47 percent on Thursday.
  • T2 Biosystems, Inc. TTOOrose 8.3 percent to $6.11 in pre-market trading following Q2 results.
  • Sonos, Inc.SONO rose 7.7 percent to $21.45 in pre-market trading. Sonos shares gained Thursday after the company priced its initial public offering at $15 per share.
  • Venator Materials PLC VNTRrose 6.8 percent to $14.00 in pre-market trading after falling 3.10 percent on Thursday.
  • DISH Network Corporation DISHshares rose 5.5 percent to $31.48 in pre-market trading after reporting better-than-expected results for its second quarter.
  • Callaway Golf Company ELYshares rose 5.5 percent to $20.70 in pre-market trading after the company posted upbeat Q2 results and raised its 2018 guidance.
  • Astrotech Corporation ASTCshares rose 4.7 percent to $4.20 in pre-market trading after climbing 5.53 percent on Thursday.
  • Boingo Wireless, Inc.WIFI rose 4 percent to $34.16 in pre-market trading after surging 41.52 percent on Thursday.
  • GoPro IncGPRO rose 3.1 percent to $6.17 in pre-market trading after the company reported a narrower-than-expected loss for its second quarter on Thursday.

 

Losers

  • Tesaro, Inc.TSRO fell 12.2 percent to $31 in pre-market trading after reporting weaker-than-expected results for its second quarter.
  • Symantec Corporation SYMCshares fell 11.2 percent to $18.54 in pre-market trading. Symantec reported upbeat sales for its first quarter, but issued weak second-quarter and FY19 sales guidance.
  • Immersion Corporation IMMRshares fell 10.4 percent to $12.75 in pre-market trading after the company missed Q2 earnings estimates.
  • Bristow Group Inc.BRS fell 9.6 percent to $12.20 in pre-market trading after the company missed Q1 EPS estimates and issued weak 2018 guidance.
  • Stericycle, Inc.SRCL fell 9.1 percent to $64.50 in pre-market trading after the company reported mixed Q2 earnings and issued weak 2018 guidance.
  • AMN Healthcare Services, Inc.AMN fell 7.2 percent to $53.05 in pre-market trading after the company reported Q2 results and issued weak Q3 sales forecast.
  • PDF Solutions, Inc. PDFSshares fell 5.7 percent to $10.40 in pre-market trading following weak Q2 results.
  • Fortress Transportation and Infrastructure Investors LLC FTAIfell 5.6 percent to $17.50 in pre-market trading following Q2 results.
  • B&G Foods, Inc.BGS fell 5.1 percent to $29.40 in pre-market trading after reporting downbeat Q2 earnings.
  • American International Group IncAIG fell 5 percent to $52.45 in pre-market trading after reporting weaker-than-expected earnings for its second quarter.
  • Arlington Asset Investment Corp.AI shares fell 4.9 percent to $9.90 in pre-market trading.
  • Shake Shack IncSHAK fell 4.8 percent to $60.90 in pre-market trading despite reporting a second-quarter earnings beat. The company issued weak FY18 sales guidance.
  • MorphoSys AG MORshares fell 4 percent to $30.92 in pre-market trading.