The top after-market NASDAQ stock market gainers were: Human Genome Sciences, Immunomedics, NII Holdings, IMAX, Central European Distribution, BSD Medical, JetBlue Airways, Penn National Gaming, SEI Investments, and Dendreon.

Human Genome Sciences Inc. (HGSI) surged 10.51 percent to $28.60, after an advisory panel recommended the FDA to approve the drug Benlsyta or Belimumab for the treatment of autoantibody-positive patients with active systemic lupus erythematosus. The drug is being developed by Human Genome and GlaxoSmithKline (GSK).

Immunomedics Inc. (IMMU) soared 7.04 percent to $3.65 in the after-hours trading.

NII Holdings Inc. (NIHD) jumped 4.27 percent to $40.76 in the after-market session.

IMAX Corp. (IMAX) improved 3.15 percent to $22.89 in the after-hours trading. The company said Harry Potter and the Deathly Hallows - Part 1 will be released in 356 IMAX theaters on Nov. 19.

Central European Distribution Corp. (CEDC) rose 2.55 percent to $24.71 in the after-hours trading.

BSD Medical Corp. (BSDM) grew 2.44 percent to $6.29 in the after-market session. The company said Cancer Treatment Centers of America at Western Regional Medical Center, located in the metropolitan Phoenix area, has purchased a BSD-500 Hyperthermia System.

JetBlue Airways Corp. (JBLU) gained 2.44 percent to $6.73 in the after-hours trading.

Penn National Gaming Inc. (PENN) increased 1.91 percent to $35.28 in the after-market session.

SEI Investments Co. (SEIC) moved up 1.82 percent to $22.97 in the after-hours trading.

Dendreon Corp. (DNDN) rose 1.76 percent to $36.50 in the after-market session.