07:31 AM EDT, 03/25/2025 (MT Newswires) -- Mural Oncology ( MURA ) shares slumped 46% pre-bell Tuesday after the company said it will stop the development of its ovarian cancer treatment candidate.

Medallion Financial ( MFIN ) shares fell 30% following a muted session.

Prairie Operating ( PROP ) shares retreated 19% after the company priced a $38.5 million stock offering late Monday.

Immatics ( IMTX ) stock was down 14% after closing flat Monday.