Morning Market Losers

Rigel Pharmaceuticals (NASDAQ: RIGL ) shares dropped 34.01% to $4.97 after the company announced top-line results of OSKIRA-1. Radware Ltd. (NASDAQ: RDWR ) shares lost 20.20% to $29.99 after the Israeli technology company lowered its Q1 earnings and revenue estimates. F5 Networks (NASDAQ: FFIV ) shares dipped 18.97% to