Valneva (VALN) shares were 35% lower pre-bell Monday after the company and Pfizer (PFE) said their investigational vaccine candidate LB6V against outdoor Lyme disease reduced the rate of confirmed cases by 73.2% compared with placebo in a phase 3 clinical study.
AleAnna (ANNA) stock was down 16%, paring Friday's rally.
CF Industries (CF) shares were 8% lower following a muted session.