XBiotech (XBIT) shares were up 34% pre-bell Tuesday following a 1% gain in the previous session.
Marwynn Holdings (MWYN) stock was 27% higher, rebounding from Monday's fall.
MicroCloud Hologram (HOLO) shares were up 24%, erasing losses from the previous session.
Gambling.com (GAMB) stock was 20% higher after Monday's 2.7% fall.