The tech giant has reclaimed Japan’s corporate crown, as the company leads the pack in piling into the AI boom, despite concerns about rising debt.

SoftBank’s market cap topped Toyota’s for the first time in 23 years on Monday, driven by its $65bn OpenAI stake and a Nikkei 225 breaking 67,000.

TOKYO, June 1 : Japan's Nikkei share average topped 67,000 for the first time on Monday, powered by AI-related stocks, as startup investor SoftBank Group overtook Toyota Motor to…

Fueled by its significant stake in AI powerhouse OpenAI, SoftBank Group has surged past Toyota to become Japan's most valuable company. The tech investor's market capitalization…