Benzinga's Top #PreMarket Gainers

shares surged 49.79 percent to $40.04 in pre-market trading after the company announced positive 6-month duration in BELMONT study.

shares climbed 11.47 percent to $27.80 in pre-market trading after the company reported successful GMP production process for UCART19.

shares rose 10.38 percent to $317.00 in pre-market trading following Wednesday's Wall Street Journal report on potential merger with

.

shares rose 6.62 percent to $26.25 in pre-market trading after the company reported strong Q3 results.

gained 5.31 percent to $126.48 in pre-market trading on upbeat Q3 results.