Shares of the Masayoshi Son-led technology group climbed as much as 10% in Tokyo trading Monday, as AI-related shares climbed across the region. SoftBank shares have been gaining since news broke that two high-profile portfolio companies - OpenAI and SB Energy Corp. - were preparing for potential US listings.

Conglomerate's market cap tops automaker's for first time since 2000

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.

SoftBank supera Toyota como empresa com maior valor de mercado no Japão