30 Stocks Moving In Friday's Pre-Market Session

Gainers

• Westmoreland Resource Partners, LP WMLP rose 24.4 percent to $2.45 in pre-market trading after climbing 19.63 percent on Thursday.
• Sierra Wireless, Inc. SWIR rose 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 CTRL rose 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. TTOO rose 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 VNTR rose 6.8 percent to $14.00 in pre-market trading after falling 3.10 percent on Thursday.
• DISH Network Corporation DISH shares rose 5.5 percent to $31.48 in pre-market trading after reporting better-than-expected results for its second quarter.
• Callaway Golf Company ELY shares 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 ASTC shares 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 Inc GPRO 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.

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Check out these big penny stock gainers and losers

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 SYMC shares 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 IMMR shares 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. PDFS shares fell 5.7 percent to $10.40 in pre-market trading following weak Q2 results.
• Fortress Transportation and Infrastructure Investors LLC FTAI fell 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 Inc AIG 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 Inc SHAK 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 MOR shares fell 4 percent to $30.92 in pre-market trading.