MarketsMove underscores a shift in country's industrial leadership following SoftBank's rise to No. 1Kioxia shares have risen from 169th to second in Japan by market capitalization within a year. (Source photos by Shintaro Ino and Kazuhiro Noguchi)Nikkei staff writersJune 3, 2026 11:59 JSTTOKYO -- Japanese flash memory maker Kioxia briefly overtook Toyota Motor by market capitalization on Wednesday, rising to second place among listed companies, underscoring a shift in Japan's industrial leadership as artificial intelligence drives a broad technological transformation.