SINTX Technologies (SINT) shares surged 59% pre-bell Monday after the company said its board approved a program to repurchase up to 20% of its outstanding equity.
HarborOne Bancorp (HONE) shares advanced 45% after a quiet session on Friday.
PCB Bancorp (PCB) shares rose 32% following a muted session.
OrthoPediatrics (KIDS) shares were up 26% after Friday's 1.1% gain.