Gainers

  • Qutoutiao Inc. QTTshares surged 128.14 percent to close at $15.97 on Friday. Qutoutiao announced an initial public offering priced at $7 per share. In its first day on the Nasdaq, the company sold 12 million shares to raise about $84 million.
  • Principia Biopharma Inc. PRNBshares rose 92.06 percent to close at $32.65. Principia Biopharma priced its IPO at $17 per share on Friday.
  • Champions Oncology IncCSBR climbed 24.76 percent to close at $10.58 after the company reported better-than-expected results for its first quarter.
  • Kandi Technologies Group, Inc. KNDIshares jumped 23.38 percent to close at $4.75 on Friday.
  • Frequency Electronics, Inc. FEIMshares climbed 16.9 percent to close at $9.20 on Friday. Frequency Electronics reported Q1 net income of $31,000 on sales of $11 million.
  • China Internet Nationwide Financial Services Inc. CIFSgained 15.85 percent to close at $12.79.
  • Invitae Corporation NVTArose 14.39 percent to close at $15.58.
  • Orchids Paper Products Company TISgained 13.76 percent to close at $3.72.
  • CEL-SCI Corporation CVMclimbed 13.61 percent to close at $3.59 after the company disclosed that it has received $5.4 million from warrant exercises.
  • ProQR Therapeutics N.V. PRQRrose 12.74 percent to close at $20.80.
  • Maiden Holdings, Ltd. MHLDgained 12.73 percent to close at $3.10 on Friday.
  • Windstream Holdings, Inc. WINshares rose 12.27 percent to close at $4.85.
  • OptimizeRx CorporationOPRX gained 12.24 percent to close at $16.50.
  • Ballard Power Systems Inc. BLDPshares jumped 12.17 percent to close at $3.78 on Friday.
  • Celcuity Inc. CELCrose 12.03 percent to close at $28.40.
  • Radiant Logistics, Inc.RLGT gained 11.96 percent to close at $5.15 after the company reported stronger-than-expected results for its fourth quarter on Thursday.
  • Bovie Medical CorporationBVX climbed 11.73 percent to close at $7.24.
  • Ceridian HCM Holding Inc. CDAYjumped 11.48 percent to close at $41.45.
  • Oncolytics Biotech Inc. ONCYgained 11.14 percent to close at $4.99.
  • Unity Biotechnology, Inc. UBXrose 10 percent to close at $22.00.
  • Blue Bird CorporationBLBD rose 9.25 percent to close at $25.40 after the company announced it will buy back $50 million of its stock at $28 per share.
  • Genprex, Inc. GNPXgained 8.18 percent to close at $2.38. Maxim Group initiated coverage on Genprex with a Buy rating.
  • Kingsway Financial Services Inc. KFSshares rose 5.17 percent to close at $3.05.
  • argenx SE ARGXshares rose 4.9 percent to close at $93.78. Stifel Nicolaus initiated coverage on argenx with a Buy rating.
  • Realogy Holdings Corp.RLGY shares rose 4.09 percent to close at $20.62. Realogy Holdings will replace Education Realty Trust, Inc. EDR in the S&P MidCap 400 on Thursday, September 20.

 

Losers

  • Altimmune, Inc. ALTshares fell 27.34 percent to close at $5.45 on Friday.
  • RF Industries, Ltd. RFILshares dipped 21.43 percent to close at $8.25.
  • IntelliPharmaCeutics International Inc. IPCI 0.68%shares declined 16.05 percent to close at $2.93.
  • OPKO Health, Inc. OPKshares dropped 14.85 percent to close at $3.90.
  • NIO Inc. NIOfell 14.66 percent to close at $9.90.
  • IRIDEX Corporation IRIXshares tumbled 13.68 percent to close at $6.69 on Friday. IRIDEX priced its 1.67 million share common stock offering at $6 per share.
  • Pyxus International, Inc. PYXshares fell 13.49 percent to close at $18.60 on Friday.
  • Blink Charging Co. BLNKshares dipped 13.11 percent to close at $2.65.
  • Lantronix, Inc. LTRXshares fell 13.11 percent to close at $4.11 on Friday.
  • Arcadia Biosciences, Inc. RKDAshares dipped 12.67 percent to close at $4.55.
  • Westinghouse Air Brake Technologies Corporation WABdropped 12.41 percent to close at $98.21.
  • Pinduoduo Inc. PDDdipped 12.08 percent to close at $26.34.
  • NiSource Inc.NI dropped 11.72 percent to close at $24.79.
  • Co-Diagnostics, Inc. CODXshares fell 9.62 percent to close at $2.63.
  • PGT Innovations, Inc.PGTI dropped 8.33 percent to close at $22.00. PGT Innovations priced its 7 million share offering at $23 per share.
  • Valvoline Inc. VVVdipped 7.21 percent to close at $20.72 after analysts at JP Morgan downgraded the stock from Neutral to Underweight and lowered the price target from $22 to $20.
  • Nemaura Medical Inc. NMRDshares fell 7 percent to close at $3.19.
  • Tandem Diabetes Care, Inc.TNDM shares fell 6.92 percent to close at $47.63. Baird downgraded Tandem Diabetes Care from Outperform to Neutral.
  • DDR Corp. DDRfell 6.36 percent to close at $13.40. Citigroup downgraded DDR from Buy to Neutral.