Asian stock markets plunge, U.S. futures tumble as tariff turmoil continues

Tokyo's Nikkei 225 index fell nearly 8% in early trading and other Asian markets slid, while U.S. stock futures point to a renewed selloff.

Asian stock markets plunge, U.S. futures tumble as tariff turmoil continues
Tokyo's Nikkei 225 index fell nearly 8% in early trading and other Asian markets slid, while U.S. stock futures point to a renewed selloff.