SoftBank dethrones Toyota as Japan's most valuable company

Equity markets shuffle as AI reshapes industrial structures in Japan and South Korea

SoftBank's huge bet on ChatGPT developer OpenAI has lifted the price of its shares, pushing its market cap past that of Toyota. (Source photo by Kazuho Fujiwara) 

TOKYO -- SoftBank Group shares are booming as the AI rally accelerates across global stock markets, pushing the tech conglomerate's market capitalization past Toyota Motor's for the first time in more than two decades.