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,

By Sam Nussey and Anton Bridge TOKYO (Reuters) -SoftBank CEO Masayoshi Son's plan to invest billions in AI in the United States shows one way to handle the new Trump administration: go big and deal with the details later.

Masayoshi Son, the Japanese tycoon helming US President Donald Trump’s big new AI push, is the son of an immigrant farmer with a spectacular but also sketchy investment

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 on January 21 that Japan's SoftBank Group, Open AI and Oracle will together

SoftBank Group shares jumped after the company and ChatGPT-maker OpenAI announced plans to invest up to half a trillion dollars in artificial-intelligence infrastructure in the U.S. Shares rose 8.8% to 10,060 yen, or equivalent to $64.69, on Wednesday in Tokyo, after climbing as much as 9.2% earlier, to their highest level since July.

SoftBank, OpenAI, and Oracle are launching a $100 billion joint venture to enhance AI infrastructure, with plans to escalate investment to $500 billion. The initiative, supported by President Donald Trump,

The Trump Administration has announced an AI infrastructure joint venture in the U.S. named “Stargate,” comprised of OpenAI, SoftBank Group (OTC:SFTBF) (OTC:SFTBY), Oracle Corp (NYSE:ORCL), and Abu Dhabi’s MGX.

Arm stock jumped yesterday on the news about Stargate, a new AI infrastructure project targeting $100 billion to $500 billion in investment, as Softbank CEO Masayoshi Son was one of the three tech chiefs at the announcement, and Softbank, which owns about 90% of Arm, is in charge of financing the project.

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

President Donald Trump has announced several notable private sector investments into the U.S. tech sector in the wake of his electoral victory as he looks to tout economic momentum.