Hyperscale Data (GPUS) shares were down 20% in Monday premarket activity, following the previous session's nearly 10% decline.

Lichen International (LICN) stock was down 18%, extending the prior session's 21% loss.

Toppoint (TOPP) shares were down 13% after the previous session's 21% gain.

Clene (CLNN) stock was down nearly 7%, following a 1.4% gain in the previous session.