BNTX ▼ -7.2% - BioNTech SE $BNTX volatility weakness BioNTech's stock fell 7.2% today amid reported weakness in volatility metrics. The decline reflects broader market concerns about the biotech company's near-term trading dynamics, though the headline provides limited specifics on the underlying catalysts driving the selloff. 28-AUG-2026 09:15 AM ET