First Tracks Biotherapeutics (TRAX) shares were up 41% in Monday premarket activity, recovering from a 5.6% loss in the previous session.
Baiya International Group (BIYA) stock was 38% higher, rebounding from a 28% decline in the earlier session.
Forte Biosciences (FBRX) shares were up 39% after Argenx agreed to acquire the company for $77 per share in cash.
T3 Defense (DFNS) stock was 42% higher, adding to an 11.5% gain in the previous session.