Advanced Biomed (ADVB) shares were 87% higher pre-bell Tuesday following a 2.9% loss in the previous session.
Mawson Infrastructure Group (MIGI) stock was up 20% after the company said late Monday it signed a cooperation agreement with The Endeavor Investor Group to reconstitute its board.
Humana (HUM) shares were 9% higher after the Centers for Medicare & Medicaid Services announced a larger-than-expected increase to Medicare Advantage payments for 2027.
CVS Health (CVS) stock was up 7% following a muted session.