Tokyo Stock Market Today (Dec. 18, 2025): Nikkei Slides to 3-Week Low as AI Jitters Hit Tech; BOJ Rate-Hike Watch Weighs on Banks
TOKYO — Japan’s stock market finished lower on Thursday, December 18, with the Nikkei 225 pulled down by heavyweight tech names as investors reassessed the near-term profitability of artificial intelligence and data-center spending. As of 5:00 a.m. EST (evening in