Tokyo stocks ended mixed Monday as banks lifted on hopes for improved profits, while technology issues dropped on fears that U.S. dom

Wall Street’s superstars are tumbling Monday as a competitor from China threatens to upend the artificial-intelligence frenzy that’s created a spending bonanza. The S&P 500 was down 1.7% in midday trading and heading for its worst day in more than a month.

DeepSeek, which was developed by a start-up based in the eastern Chinese city of Hangzhou, has shown the ability to match the capacity of AI pace-setters such as Nvidia, which sank more than 11 percent Monday, giving up some $400 billion in market value.

DeepSeek launched a free, open-source large language model in late December, claiming it was developed in just two months at a cost of under $6 million.

US chip-maker Nvidia led a rout in tech stocks Monday after the emergence of a low-cost Chinese generative AI model that could threaten US dominance in the fast-growing industry.

Wall Street is tumbling on fears the big U.S. companies that have feasted on the artificial-intelligence frenzy are under threat from a competitor in China

Investors dumped technology stocks in premarket trading Monday, sending U.S. indexes sharply lower after Chinese artificial intelligence startup DeepSeek demonstrated a chatbot that it says rivals the top versions from OpenAI and Google for a fraction of the cost.

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.

Sakana AI, a rising startup in Tokyo run by prominent figures in the generative artificial intelligence field, is gaining support from corporate giants in and outside Japan. The company announced ...

Many players would like to play Tokyo Xtreme Racer with friends. Is multiplayer possible in this game? We will answer this question.

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 .

Global chip stocks slumped Monday after Chinese artificial-intelligence company DeepSeek said it had developed AI models that nearly matched American rivals despite using inferior chips, raising fears the global dominance of U.