2日の東京株式市場で、日経平均株価は前日比1276円41銭安の5万2463円27銭と大幅に反落した。 Tokyo stocks plummeted Thursday as U.S. President Donald Trump's closely watched address dashed hopes for de-escalation in Middle East tensions, with the benchmark Nikkei 225 average briefly losing over 1,400 points.