"日経平均株価が一時4000円超下落 AI・半導体関連など 中東情勢への警戒感も" "The Nikkei Stock Average temporarily fell by more than 4,000 yen, driven by concerns over the situation in the Middle East, particularly in AI and semiconductor-related stocks." l.smartnews.com/m-87AHFzO0/qVZ…