Karyopharm Therapeutics Stock Tanks 68%
Karyopharm Therapeutics Inc. (KPTI) shares fell about 68% after the company reported topline results from its Phase 3 XPORT-EC-042 trial. The trial did not meet its primary endpoint of progression-free survival. The stock dropped 68.17% to $2.2350 on Nasdaq from $7.01 prior close.






