#TSEPlansReReviewForMajorBusinessChanges This means:

The TSE plans to re-review companies when they make major business changes.

Here, TSE most likely refers to the Tokyo Stock Exchange.

In simple terms:
if a listed company changes its business in a big way,
the exchange may review it again
to check whether it still meets listing standards, disclosure expectations, or investor-protection requirements

Why that matters:
It can increase scrutiny on companies after mergers, restructurings, reverse takeovers, or sharp strategy shifts
It may reduce the chance of a listed company changing into something very different without proper review
It’s generally about market integrity and investor protection

What “major business changes” could include:
large acquisitions
selling off the core business
reverse mergers
sudden changes in controlling shareholders
shifting into a completely different line of business

If you want, I can also:
explain this in very simple English
summarize the possible market impact
compare it with how U.S. exchanges handle similar situations$LINK
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