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Tokyo bourse to revamp Topix index, cut constituting stocks to below 1,000
Summary by The Tokyo Editorial Desk The Mainichi (English)
· October 7, 2026
· 1 min read
Photo: The Mainichi (English) · view original
Story provenance No corrections
Summary created by The Tokyo Editorial Desk — automated, rule-governed Published by The Mainichi (English) Original story Read at the source Source published Oct 7, 2026 Indexed here Oct 7, 2026 AI assistance Automated summary drawn from the source’s own published text Prepublication human review No — editorial rules, flagged-item review, and published samples
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Key points The current total of around 1,600 stocks will be cut by approximately 40 percent. This reduction will result in the number of stocks falling below 1,000.
A major overhaul of the Topix index is underway, with plans to significantly reduce the number of constituting stocks. The current total of around 1,600 stocks will be cut by approximately 40 percent. This reduction will result in the number of stocks falling below 1,000.
Further details about the revamp are available from the source. The overhaul aims to modify the composition of the Topix index, although specific details about the implementation and timeline are not provided here.
For more information about the changes to the Topix index, readers can refer to the original source for a more comprehensive update.
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Category: Local Published: October 7, 2026 Source: The Mainichi (English) Reading time: 1 min
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What is this story about? A major overhaul of the Topix index is underway, with plans to significantly reduce the number of constituting stocks. The current total of around 1,600 stocks will be cut by approximately 40…
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