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.

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,

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.

As Donald Trump begins his second presidential term, market participants’ clamor for the “Trump Trade” is growing stronger. Marked by expectations around deregulation, tax cuts, infrastructure spending,

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.

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,

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

“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 ...

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.

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,