U.S. Stocks Decline, Nasdaq Slumps as SpaceX Plunges

U.S. stocks concluded mostly lower on June 22, 2026, with the Nasdaq Composite experiencing a significant slump. The market downturn was primarily attributed to a sharp plunge in the valuation of aerospace company SpaceX. The broader market weakness saw major indices retreat, reflecting investor concerns. The substantial decline in SpaceX's valuation weighed heavily on technology-focused sectors, contributing to the Nasdaq's underperformance during the session.