Japan Exchange Group Inc. ’s first large-scale reshuffle of the Topix Index goes into effect Friday, part of the biggest overhaul in the benchmark’s history that may shrink the number of constituents by more than one-third.
Source: [Bloomberg Markets](https://www.bloomberg.com/news/articles/2026-10-29/topix-overhaul-kicks-off-three-things-investors-need-to-know)