Japan's Nikkei slumps 5.5% as market rout deepens on AI worries

Japan's Nikkei share average plummeted over 5% amid escalating market fears tied to regulatory scrutiny and a slowdown in artificial intelligence advancements. This drop followed the Democratic wins in the US midterm elections, sparking substantial sell-offs in traditional tech stocks. Both S&P 500 and Nasdaq indices recorded significant losses in earlier sessions, signaling a prevailing cautious mood in the global tech stock landscape.