SoftBank is in talks to lead a funding round for artificial intelligence robotics start-up Skild AI that would more than double its valuation to close to $4bn, as Masayoshi Son hunts for deals to match his vaunted ambitions for the sector.

Softbank Group Corp is in talks to invest up to US$25 billion in ChatGPT owner OpenAI, according to a person familiar with the matter, as the Japanese conglomerate continues to expand into the sector.

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 dipped 0.8% after initially gaining, following a nearly 17% plunge on Monday—its worst drop since the 2020 COVID crash.

Global technology stocks tumbled on Tuesday, extending a selloff into a second day as the debut of a low-cost Chinese artificial intelligence model

The recovery came after US chipmaker Nvidia closed up 9 per cent on Tuesday, recouping some of the heavy losses that wiped $600bn off its market capitalisation at the start of the week, when investors fretted over the threat from China’s DeepSeek to the US supremacy in artificial intelligence.

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.

Now that it's the world's most valuable company, some investors might believe the time to buy Nvidia has already passed, but these developments show that's not the case. Furthermore, the stock is currently selling for just 32 times next year's expected sales, a remarkably attractive price for a company with so much opportunity.

OpenAI has announced that it's teaming up with Softbank and Oracle on $100 billion data center project in the U.S.

A major tech stock sell-off ensued Monday as the debut of DeepSeek rattled investors. Nvidia, Alphabet, and Microsoft were among the biggest losers.

US stock market: Following concern over Chinese Air Intelligence (AI) start-up DeepSeek, NVIDIA share price witnessed sharp selling on Monday. The US stock market's tech major, NVIDIA stock price, opened lower at $124.80 apiece on the NASDAQ and touched an intraday low of $116.70 per share.

By Sinéad Carew, Amanda Cooper, Ankur Banerjee NEW YORK/LONDON/SINGAPORE (Reuters) -Global investors dumped tech stocks on Monday as they worried that the emergence of a low-cost Chinese artificial intelligence model would threaten the dominance of AI leaders like Nvidia,