First Section of the Tokyo Stock Exchange
Refers to the former top-tier market of the Tokyo Stock Exchange, replaced in 2022 by the Prime Market.
In the past, being listed on the First Section of the Tokyo Stock Exchange was a goal for companies.
Abbreviation for Tokyo Stock Exchange; 東証一部 is a specific section within it.
The Prime Market, which replaced the First Section in 2022 as the top-tier market.
Compound of 東証 (Tokyo Stock Exchange) and 一部 (first section).