Top Ten % Gainers Premarket: PPCB   +266.82% VNRX   +85.08% MERC   +60.87% OKTG  +35.87% WNW   +29.02% YAAS   +27.77% NCPL   +22.62% CRMG   +19.97% MIMI   +19.44% OKTA   +18.50% 27-AUG-2026 08:58 AM ET