Whit Johnson reports on the stock market suffering a second day of massive losses with the Dow down more than 2,000 points as China responds to Pres. Trump's new tariffs with a 34% retaliatory tariff on all U.S. products; Morgan Norwood has the latest on the massive storm system that's spawned tornadoes, flooding and killed at least eight people, including a Kentucky boy who was swept away by floodwaters, officials say; Mireya Villarreal has details on the rising star in the professional bull rider circuit who was killed in a horrific rodeo accident in Texas in front of thousands of people; and more on tonight's broadcast of World News Tonight with David Muir.

UCONN crowned NCAA champions; Second child measles death in Texas; Beloved 84-year-old UPS driver honored for making deliveries safely and with a smile.