Top Small Cap Negative News Movers Premarket:  CMPX: -38% Provides Regulatory Update on Tovecimig in Biliary Tract Cancer Following FDA Feedback HUBC: -30% Momentum Mover SLXN: -21% Momentum Mover BTTC: -20% Momentum Mover VRME: -17% Momentum Mover 22-SEP-2026 09:12 AM ET