• Ability Inc.ABIL shares rose 34.1 percent to $6.10 in pre-market trading after surging 110.65 percent on Thursday.
  • Tandem Diabetes Care, Inc.TNDM rose 24.7 percent to $25.33 in pre-market trading after the company reported the FDA approval of the t:slim X2 Insulin Pump with Basal-IQ technology.
  • Gevo, Inc. GEVOshares rose 14.8 percent to $9.22 in pre-market trading after dropping 35.91 percent on Thursday.
  • Senseonics Holdings, Inc.SENS shares rose 9.3 percent to $5.44 in pre-market trading. Senseonics reported the FDA approval for Eversense Glucose Monitoring System on Thursday.
  • Agenus Inc.AGEN shares rose 8 percent to $2.70 in pre-market trading after falling 9.75 percent on Thursday.
  • Hancock Jaffe Laboratories, Inc.HJLI rose 7.9 percent to $4.80 in pre-market trading after declining 6.71 percent on Thursday.
  • The Hain Celestial Group, Inc.HAIN rose 7.1 percent to $31.25 in pre-market trading.
  • Puxin Limited NEWrose 6.7 percent to $22.79 in pre-market trading after falling 18.19 percent on Thursday.
  • Vuzix Corporation VUZIrose 5.8 percent to $7.35 in pre-market trading after declining 4.14 percent on Thursday.
  • Ibio IncIBIO rose 5.6 percent to $0.95 in pre-market trading after falling 16.66 percent on Thursday. iBio disclosed pricing of its $16 million public offering.
  • Fibrocell Science, Inc.FCSC rose 4.3 percent to $3.45 in pre-market trading after surging 33.47 percent on Thursday.
  • Xunlei Limited XNETrose 4.2 percent to $12.98 in pre-market trading after dropping 3.71 percent on Thursday.
  • CarMax, Inc. KMXrose 3.8 percent to $73.75 in pre-market trading after the company posted upbeat quarterly results.
  • BlackBerry Limited BBshares rose 3.6 percent to $12.10 in pre-market trading after reporting upbeat quarterly earnings.
  • Container Store Group, Inc. TCSshares rose 3.5 percent to $9.01 in pre-market trading. Container Store disclosed that it has filed for a 32.49 million secondary offering.
  • Sogou Inc.SOGO rose 3.2 percent to $12.90 in pre-market trading. after declining 10.63 percent on Thursday.