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.

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

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.

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

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 .

DeepSeek-R1-Zero, a model trained via large-scale reinforcement learning (RL) without supervised fine-tuning (SFT) as a preliminary step, demonstrates remarkable reasoning capabilities. Through RL, DeepSeek-R1-Zero naturally emerges with numerous powerful and intriguing reasoning behaviors.

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

Technology stocks such as Tokyo Electron, SoftBank Group, Advantest and Fujikura plunged 5-11 percent amid DeepSeek's emergence as a disruptive force in the AI landscape.

In international markets, chipmaking and electrification companies saw pressure on the fears over the DeepSeek AI service. SoftBank -- the company that said it would fund up to $500 billion in AI infrastructure as well as the main shareholder of microchip designer ARM -- saw its stock dive 8%.

TOKYO, Jan. 24 (Xinhua) -- Japan's key stock index snapped its four-day winning streak on Friday after the Bank of Japan (BOJ) decided to raise its policy interest rate to 0.5 percent. The benchmark Nikkei stock index, the 225-issue Nikkei Stock Average, closed at 39,931.98, down 26.89 points, or 0.07 percent from the previous day.

Nasdaq futures slumped and technology shares slid in Japan on Monday as surging popularity of a Chinese discount artificial intelligence model wobbled investors' faith in the profitability of AI and the sector's voracious demand for high-tech chips.

In international markets, chipmaking and electrification companies saw pressure on the fears over the DeepSeek AI service. SoftBank -- the company that said it would fund up to $500 billion in AI infrastructure as well as the main shareholder of microchip designer ARM -- saw its stock dive 8%.