Japan's Nikkei 225 share benchmark plunges nearly 8% as worries over the U.S. economy trigger sell-offs in world markets ========== Japan's Nikkei 225 share benchmark plunges nearly 8% as worries over the U.S. economy trigger sell-offs in world markets; The sell-offs are a result of concerns about the U.S. economy; The Nikkei 225 share benchmark in Japan drops by almost 8%; The drop in the Nikkei 225 is due to worries over the U.S. economy; The sell-offs in world markets are triggered by concerns about the U.S. economy https://abcnews.go.com/US/wireStory/japans-nikkei-225-share-benchmark-plunges-8-worries-112568507