Tempest Therapeutics (TPST) shares were up 33% in recent premarket activity Monday, following a 3.9% increase in the previous session.
VinFast Auto (VFS) stock rose 13% after the company reported higher Q1 revenue year over year.
NewAmsterdam Pharma (NAMS) shares were up nearly 12% after the company reported data from pre-specified Alzheimer's disease biomarker analyses in a phase 3 clinical trial.
Graham (GHM) stock was up 10% pre-bell Monday after the company posted higher fiscal Q4 adjusted earnings and net sales from a year earlier.