VinFast, Alcoa, and Regencell lead large-cap gains with strong sector momentum and company news.

U.S. large-cap stocks ended the week with notable gains led by VinFast Auto Ltd., Alcoa Corporation, and Regencell Bioscience Holdings. VinFast surged 42.77% driven by strong electric vehicle demand and Canadian rebates. Alcoa rose 24.12% amid optimism for a quick resolution to the Middle East conflict, boosting commodities sentiment. Regencell gained 15.01% after announcing a $500 million share sale agreement. These moves reflect positive sector trends and company-specific catalysts that may influence near-term market activity.