After-Hours Biotech Rally: Clene Surges Ahead Of ALS Update; Werewolf, Biomea, Dyne Also Climb

Several biotech and therapeutics companies posted notable gains in after-hours trading on Tuesday, December 2, 2025, following a mix of corporate updates, investor anticipation, and recent scientific disclosures.Clene Inc. (CLNN) shares surged in after-hours trading, climbing 8.53% to $10.05 after closing the regular session down 3.14% at $9.26. The late clinical-stage biopharmaceutical company, along with its subsidiary Clene Nanomedicine, announced plans to provide an update on its CNM-Au8 program in amy ...