Overview

• The Nikkei closed on Sept. 2 at 42,310.49, up 121.70 points, recouping part of the previous session’s loss.
• On Sept. 1 the index dropped 529.68 points to 42,188.79 after an intraday fall that exceeded 800 points.
• Semiconductor and AI-linked shares led the decline following reports that Alibaba is developing an AI-focused chip and weakness in U.S. names including Nvidia.
• The yen weakened late Tuesday to around 148.6 per dollar after BOJ Deputy Governor Ryozo Himino signaled caution on early additional rate hikes and political developments spurred further selling.
• Market breadth showed strain as TOPIX fell with heavy volume on Sept. 1, while the Dow later slid 249 points, highlighting cross‑market pressure.