Gainers

  • Westmoreland Resource Partners, LP (NYSE: WMLP) climbed 113.85 percent to close at $4.17 on Friday after climbing 19.63 percent on Thursday.
  • Arlo Technologies, Inc.(NYSE: ARLO) jumped 38.13 percent to close at $22.10. Arlo Technologies priced its IPO at $16 per share.
  • Pixelworks, Inc.(NASDAQ: PXLW) gained 29 percent to close at $4.205 after the company beat Q2 sales estimates.
  • Natural Grocers by Vitamin Cottage, Inc. (NYSE: NGVC) jumped 29 percent to close at $17.35 after reporting upbeat Q3 results.
  • Universal Electronics Inc. (NASDAQ: UEIC) climbed 26.26 percent to close at $44.95 on Friday after the company announced strong quarterly financial results.
  • Cardtronics plc (NASDAQ: CATM) shares rose 26.04 percent to close at $30.20 after reporting a second-quarter earnings beat.
  • Hanwha Q CELLS Co., Ltd.(NASDAQ: HQCL) shares rose 25.3 percent to close at $8.27 after the company reported the receipt of preliminary non-binding going private proposal for $9 per ADS.
  • Medifast, Inc.(NYSE: MED) climbed 21.82 percent to close at $213.19 following upbeat Q2 results.
  • Control4 Corporation (NASDAQ: CTRL) gained 20.6 percent to close at $31.67 following better-than-expected Q2 results.
  • Benefitfocus, Inc. (NASDAQ: BNFT) rose 19.75 percent to close at $37.60 following upbeat Q2 results.
  • Energy Recovery, Inc. (NASDAQ: ERII) climbed 19.4 percent to close at $9.17 following strong Q2 results.
  • Sierra Wireless, Inc. (NASDAQ: SWIR) gained 19.14 percent to close at $19.30 after the company posted better-than-expected Q2 results.
  • MDC Partners Inc.(NASDAQ: MDCA) rose 18.68 percent to close at $5.40 following Q2 results.
  • Blink Charging Co.(NASDAQ: BLNK) surged 18.47 percent to close at $3.40.
  • Wingstop Inc. (NASDAQ: WING) climbed 17.71 percent to close at $59.22 after the company reported strong quarterly financial results.
  • GoPro Inc(NASDAQ: GPRO) rose 17.7 percent to close at $7.05 after the company reported a narrower-than-expected loss for its second quarter on Thursday.
  • TransAct Technologies Incorporated(NASDAQ: TACT) rose 17.65 percent to close at $14.00 after reporting Q2 results.
  • HMS Holdings Corp.(NASDAQ: HMSY) gained 16.25 percent to close at $28.90 following Q2 results.
  • Energy Fuels Inc.(NASDAQ: UUUU) jumped 14.85 percent to close at $3.51
  • DISH Network Corporation (NASDAQ: DISH) shares rose 14.53 percent to close at $34.20 after reporting better-than-expected results for its second quarter.
  • PennyMac Financial Services, Inc.(NASDAQ: PFSI) gained 14.32 percent to close at $21.95 after reporting Q2 results.
  • Energous Corporation(NASDAQ: WATT) rose 12.74 percent to close at $13.89.
  • Acacia Communications, Inc.(NASDAQ: ACIA) shares rose 12.69 percent to close at $37.93 after reporting a second-quarter earnings beat. The company also issued strong third-quarter earnings and sales guidance.
  • Global Brass and Copper Holdings, Inc.(NASDAQ: BRSS) gained 11.47 percent to close at $35.95.
  • Nu Skin Enterprises, Inc. (NYSE: NUS) gained 11.37 percent to close at $84.55 following better-than-expected Q2 results.
  • Bemis Company, Inc.(NYSE: BMS) climbed 11.27 percent to close at $51.53.
  • Callaway Golf Company (NYSE: ELY) shares rose 10.7 percent to close at $21.72 after the company posted upbeat Q2 results and raised its 2018 guidance.
  • Take-Two Interactive Sofare, Inc..(NASDAQ: TTWO) shares rose 8.98 percent to close at $123.41 following Q1 earnings.
  • ARC Document Solutions, Inc. (NYSE: ARC) rose 8.37 percent to close at $2.72 after reporting better-than-expected Q2 results.
  • AcelRx Pharmaceuticals, Inc. (NASDAQ: ACRX) climbed 7.69 percent to close at $2.80 following Q2 results.
  • Aegean Marine Petroleum Network Inc.(NYSE: ANW) rose 7.53 percent to close at $2.00 on Friday after climbing 18.47 percent on Thursday.
  • Global Blood Therapeutics, Inc.(NASDAQ: GBT) gained 6.64 percent to close at $46.55 after the company announced its quarterly financial results.
  • inTEST Corporation (NASDAQ: INTT) rose 6.08 percent to close at $7.85 after the company announced strong quarterly earnings and issued upbeat next-quarter guidance.
  • United States Cellular Corporation(NYSE: USM) gained 5.59 percent to close at $37.39 after reporting upbeat Q2 earnings.
  • Sonos, Inc.(NASDAQ: SONO) rose 5.22 percent to close at $20.95. Sonos shares gained Thursday after the company priced its initial public offering at $15 per share.
  • Astronics Corporation(NASDAQ: ATRO) shares rose 5.16 percent to close at $41.59 after reporting Q2 results.

 

Losers

  • Titan International, Inc. (NYSE: TWI) declined 29.64 percent to close at $7.12 after the company posted downbeat Q2 earnings.
  • Varex Imaging Corporation (NASDAQ: VREX) shares tumbled 26.32 percent to close at $28.36 after the company posted downbeat third-quarter results.
  • Immersion Corporation (NASDAQ: IMMR) shares dropped 24.24 percent to close at $10.78 after the company missed Q2 earnings estimates.
  • Tesaro, Inc.(NASDAQ: TSRO) fell 23.55 percent to close at $26.97 after reporting weaker-than-expected results for its second quarter.
  • Arbutus Biopharma Corporation(NASDAQ: ABUS) fell 21.86 percent to close at $9.65 after the company announced quarterly financial results on Thursday.
  • Drive Shack Inc. (NYSE: DS) shares declined 18.15 percent to close at $5.32 after the company reported Q2 results.
  • 51job, Inc. (NASDAQ: JOBS) dipped 17.09 percent to close at $77.18 after the company missed Q2 sales estimates and issued weak Q3 guidance.
  • Computer Programs and Systems, Inc. (NASDAQ: CPSI) shares dropped 14.01 percent to close at $26.40 following downbeat Q2 earnings.
  • GTT Communications, Inc. (NYSE: GTT) shares fell 13.95 percent to close at $40.40 after reporting Q2 results.
  • SolarEdge Technologies, Inc. (NASDAQ: SEDG) dropped 13.94 percent to close at $48.45 following downbeat Q2 earnings.
  • Ampio Pharmaceuticals, Inc.(NASDAQ: AMPE) fell 13.76 percent to close at $2.57.
  • Impinj, Inc. (NASDAQ: PI) dropped 13.73 percent to close at $18.97. The Audit Committee has informed the SEC that it has commenced an investigation into a complaint filed by a former employee.
  • Stericycle, Inc.(NASDAQ: SRCL) fell 13.13 percent to close at $61.655 after the company reported mixed Q2 earnings and issued weak 2018 guidance.
  • Bluegreen Vacations Corporation(NYSE: BXG) dropped 12.98 percent to close at $22.25 following Q2 results.
  • Glaukos Corporation(NYSE: GKOS) fell 12.49 percent to close at $39.39 following Q2 results.
  • Fortress Biotech, Inc.(NASDAQ: FBIO) dropped 12.09 percent to close at $1.89.
  • CLPS Incorporation(NASDAQ: CLPS) shares dipped 12 percent to close at $12.39.
  • Ashford Hospitality Trust, Inc.(NYSE: AHT) dropped 11.99 percent to close at $6.97 after reporting Q2 results.
  • Shake Shack Inc(NYSE: SHAK) fell 11.89 percent to close at $56.34 despite reporting a second-quarter earnings beat. The company issued weak FY18 sales guidance.
  • Boingo Wireless, Inc. (NASDAQ: WIFI) dropped 11.08 percent to close at $29.22.
  • Heritage Insurance Holdings, Inc. (NYSE: HRTG) fell 11.03 percent to close at $15.01 after reporting downbeat Q2 earnings.
  • MYR Group Inc.(NASDAQ: MYRG) dropped 10.81 percent to close at $35.105.
  • PDF Solutions, Inc. (NASDAQ: PDFS) shares fell 9.66 percent to close at $9.965 following weak Q2 results.
  • Bristow Group Inc.(NYSE: BRS) fell 8.52 percent to close at $12.35 after the company missed Q1 EPS estimates and issued weak 2018 guidance.
  • AMN Healthcare Services, Inc.(NYSE: AMN) fell 8.49 percent to close at $52.30 after the company reported Q2 results and issued weak Q3 sales forecast.
  • Clovis Oncology, Inc. (NASDAQ: CLVS) dropped 8.34 percent to close at $37.68.
  • Travelport Worldwide Limited(NASDAQ: TVPT) dropped 8.3 percent to close at $18.34 despite beating Q2 earnings and reaffirming in-line 2018 guidance.
  • Symantec Corporation (NASDAQ: SYMC) shares fell 7.81 percent to close at $19.25. Symantec reported upbeat sales for its first quarter, but issued weak second-quarter and FY19 sales guidance.
  • Aspen Aerogels, Inc. (NASDAQ: ASPN) dropped 6.81 percent to close at $4.79 after reporting Q2 earnings.
  • Luna Innovations Incorporated(NASDAQ: LUNA) shares declined 6.31 percent to close at $3.86.