Wall Street’s superstars are tumbling as a competitor from China threatens to upend the artificial-intelligence frenzy they’ve been feasting on.

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. For a Japan Inc anxious ab

Tokyo stocks were sharply higher Wednesday morning, led by rises in SoftBank Group following news it would be part of a massive artif

Tokyo stocks ended sharply higher Wednesday, driven by gains in semiconductor-related shares following news that SoftBank Group will

Wall Street is tumbling Monday on fears that the market’s winners who have feasted on the artificial-intelligence frenzy are under threat from a competitor in China that can do similar things for much cheaper.

Masayoshi Son founded SoftBank in 1981. It has invested millions in some of Silicon Valley's biggest tech companies.

Investors made a quick exit from a host of technology stocks from Tokyo to New York on Monday as the emergence of a low-cost Chinese artificial intelligence model challenged the dominance of current AI leaders such as Nvidia .

Japan’s chip-related stocks fall as DeepSeek gained momentum, raising concerns about a challenge to America’s global leadership 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.

Tokyo stocks ended mixed Monday as banks lifted on hopes for improved profits, while technology issues dropped on fears that U.S. dominance in artificial intelligence could be threatened by the emergence of a Chinese startup.

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.

The S&P 500 was down 1.6% in morning trading. Big Tech stocks took some of the heaviest losses, with Nvidia down 11.2%, and they dragged the Nasdaq composite down 2.7%. The Dow Jones Industrial Average, which has less of an emphasis on tech, was holding up better with a dip of 123 points, or 0.3%, as of 9:50 a.m. Eastern time.