07:54 AM EDT, 08/07/2024 (MT Newswires) -- Talis Biomedical ( TLIS ) shares slumped 47% pre-bell Wednesday after Tuesday's 2.5% gain.
Emergent BioSolutions ( EBS ) shares fell 35% after reporting weaker Q2 financial results.
National Vision ( EYE ) shares dropped 13% following a 2.6% gain in the previous session.
Price: 4.75, Change: -4.26, Percent Change: -47.28