Japan's benchmark Nikkei 225 index closes 5.8% lower as global markets sink after a tech-driven selloff on Wall Street

Japan's benchmark Nikkei 225 index closes 5.8% lower as global markets sink after a tech-driven selloff on Wall Street

TOKYO -- Japan's benchmark Nikkei 225 index closes 5.8% lower as global markets sink after a tech-driven selloff on Wall Street.