Masayoshi Son founded SoftBank in 1981. It has invested millions in some of Silicon Valley's biggest tech companies.

Masayoshi Son, the billionaire founder and CEO of SoftBank, the Japanese media technology conglomerate, is often cast as a dreamer, financial engineer, and speculator. But his career — which has spanned the launch of the personal computer and internet,

Shares of SoftBank Group Corp. jumped as much as 8.1% after US President Donald Trump announced a multi-billion dollar push by the Japanese company, OpenAI and Oracle Corp. to build AI infrastructure in the US.

Author Lionel Barber joins Morning Joe to discuss his new book 'Gambling Man: The Secret Story of the World's Greatest Disruptor, Masayoshi Son'.

Japanese tech giant SoftBank Group Corp. is considering investing up to $25 billion in OpenAI, the developer of the widely used artificial intelligence chatbot ChatGPT, the Financial Times reported Thursday.

OpenAI CEO Sam Altman, Oracle founder Larry Ellison and SoftBank CEO Masayoshi Son comment on President Trump’s Stargate AI investment project in an interview with FOX News anchor Bret Baier on ‘Special Report.

U.S. President Donald Trump announced Stargate, a $500 billion AI infrastructure project that's expected to provide 100,000 jobs and boost the American economy, but Elon Musk believes the three companies leading the project don't have the funds.

SoftBank Group Corp. is in discussions to invest as much as $25 billion in OpenAI, a move that would potentially make it the AI startup’s biggest backer.

Davos | San Francisco | SoftBank is in talks to invest as much as $US25 billion ($40 billion) into OpenAI, in a deal which would make it the ChatGPT maker’s biggest financial backer, as the pair partner on a massive new artificial intelligence infrastructure project.