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

The $500 billion Stargate project will be critical to "maintain American leadership in AI," one of the partners said in a statement.

Trump was joined by Oracle founder Larry Ellison, OpenAI CEO Sam Altman, and SoftBank CEO Masayoshi Son, who said the investment would start with $100 billion, plus a goal of $500

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

“I am Masayoshi Son, and SoftBank is not a bank ... billion in more than 250 companies in the U.S. These include Uber, Nvidia, Sprint, OpenAI (developer of ChatGPT) and a host of start ...

Shares of NVIDIA Corporation (NASDAQ: NVDA) and other AI stocks such as Dell Technologies Inc. (NYSE: DELL), Oracle Corporation (NYSE: ORCL) and Arm Holdings plc (NASDAQ: ARM) are trading higher Tuesday buoyed by reports of a major private sector investment in artificial intelligence infrastructure.

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.

SoftBank CEO Masayoshi Son speaks at a White House press conference on President Donald Trump's plan for AI infrastructure investment. MASA SON, SOFTBANK: Oh, thank you. That would be helpful. That's good.

Nvidia stock jumped Wednesday, extending gains from the prior day following Trump’s announcement of a massive, $500 billion AI infrastructure project called Stargate. The project will be funded by Oracle,

OpenAI will have operational responsibility and Son will be the chairman of Stargate. Arm, Microsoft, Nvidia, Oracle, and OpenAI are the project's “key initial technology partners." Ellison said ...

Masayoshi Son, the Japanese tycoon helming US President ... Son wants Arm to compete with the likes Nvidia -- the two are currently partners -- and make chips for AI processes.

President Donald Trump unveiled a $500 billion private joint venture to leapfrog U.S. dominance over artificial intelligence. Called Stargate, the project brings together Oracle (NASDAQ:ORCL), one of the world’s biggest data center operators,