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.

From left: Masayoshi Son, chairman and CEO of SoftBank; Larry Ellison, executive chairman of Oracle; and Sam Altman, CEO of OpenAI listen to President Trump speak at the White House on Jan. 21 ...

“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 ...

Masayoshi Son, the Japanese tycoon helming US President Donald ... Son wants Arm to compete with the likes Nvidia -- the two are currently partners -- and make chips for AI processes. Son promised SoftBank would invest $50 billion in the United States ...

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 (NASDAQ: NVDA ... Oracle chairman Larry Ellison, and Softbank CEO Masayoshi Son to announce Stargate's AI infrastructure initiative. The joint venture is focused on expanding AI-focused ...

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 at the conference by Larry Ellison, co-founder and executive chairman of Oracle; Masayoshi ... and Nvidia (NASDAQ: NVDA) is the joint venture's technology partner, said Son.

The president joined leaders from OpenAI, Oracle and SoftBank to launch the ambitious project, but questions remain about its implementation, offerings and timeline.