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 pig farmer with a spectacular but

SoftBank Group Corp., OpenAI, and Oracle Corp. are forming a $100 billion joint venture to fund artificial intelligence infrastructure, an effort unveiled with President Donald Trump aimed at speeding development of the emerging technology.

The president said it will be the largest AI infrastructure ever built and that it will help counter technology threats from China and other countries.

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.

President Donald Trump on Thursday shrugged off an ugly back-and-forth between tech CEOs Elon Musk and Sam Altman that pitted one of Trump’s most visible lieutenants against a key participant in a massive $500 billion AI project Trump announced Tuesday.

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.