Top Small Cap Negative News Movers Premarket:  KALA: -23% Kala Bio and Virotek Announce Letter of Intent to Establish an Exclusive U.S. Distribution Partnership for Ophthalmology Genetic Testing Program PASW: -20% Momentum Mover BRNX: -20% Form F-3 Filing Offering  CLGN: -19% Momentum Mover CVKD: -19% Momentum Mover PASW: -17% Momentum Mover 01-SEP-2026 09:27 AM ET