Monday.com (MNDY) shares were 19% lower pre-bell Monday following a 4.7% increase in the previous session.
Metsera (MTSR) stock was down 15% after Novo Nordisk (NVO) refused to further raise its acquisition bid for the company following a sweetened offer from Pfizer (PFE).
Centene (CNC) shares were 7% lower following a 1.2% gain in the previous session.