Nikkei closes 6.0% lower at 57,434.77

Japan's Nikkei Stock Average closed 6.0% lower at 57434.77, marking its biggest percentage drop since April 2025. The index fell to the lowest level since April 13, dragged by chip-related stocks. Kioxia Holdings shed 8.7% and SoftBank Group lost 11%. As investors sought the safety of sovereign bon…