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.

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,

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.

On Tuesday afternoon, President Donald Trump held a press conference to announce Stargate, a $500 billion artificial intelligence (AI) infrastructure project in the United States. He called it the "largest AI infrastructure project, by far, in history."

Nvidia (NASDAQ: NVDA) stock posted significant gains in Wednesday's trading following bullish artificial intelligence (AI) news. The company's share price closed out the day up 4.4% amid the backdrop of a 0.

Shares of Nvidia (NASDAQ:NVDA) are jumping over 4% in morning trading after President Trump announced a $500 billion artificial intelligence infrastructure plan yesterday. As a key architect in existing AI infrastructure,

The investment brings together an alliance of tech giants. While SoftBank and OpenAI are lead partners—with SoftBank handling financials and OpenAI managing operations—Oracle and MGX have also joined as equity funders.