SINTX Technologies (SINT) shares soared 89% pre-bell Wednesday after the company said it has received a US patent for an alumina ceramic biomaterial.
Cycurion (CYCU) shares surged 71%, paring Tuesday's losses.
MDB Capital Holdings (MDBH) shares rose 58% following a muted session.
The Integroup (INTG) shares rose 58% after closing nearly unchanged on Tuesday.
EuroDry (EDRY) shares were up 30% after a 2.4% increase in the previous session.