DeepSeek, the hottest name in artificial intelligence, took a Chinese hammer to several tech companies on Monday, with Microsoft, Google and especially Nvidia seeing their stock prices take a noticeable hit.

US experts express caution over Deepseek’s claims of lower costs, reduced chip levels, awaiting more information about possible manufacturing breakthrough

Many quantum computing stocks have risen well above Wall Street's price targets, but this one still has room to climb.

Tired of trailing OpenAI, Chief Executive Sundar Pichai wants his Gemini chatbot to be used by 500 million people.

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. The S&P 500 fell 1.8% in early trading Monday.

Major US tech stocks like Nvidia, Microsoft, Meta and Tesla were set for a stunning $1 trillion rout on Monday – as fears over an advanced Chinese artificial intelligence model triggered hysteria from Wall Street to Silicon Valley.

Chinese startup DeepSeek has debuted an AI app that challenges OpenAI's ChatGPT and other U.S. rivals, sending a shock through Wall Street.

The fast-growing popularity of the Chinese artificial intelligence software hit shares in tech giants like Nvidia, as Silicon Valley worried about what comes next.

The S&P 500 dropped 1.7 per cent, and the Nasdaq 100 slipped 3.1 per cent. With big tech stocks crashing, US stocks were set for their worst day since the last US Federal Reserve policy verdict roiled

A surprisingly efficient and powerful Chinese AI model has taken the technology industry by storm. It's called Deepseek R1, and it's rattling nerves on Wall Street.

By Lawrence Delevingne, Samuel Indyk and Tom Westbrook BOSTON/LONDON/SINGAPORE (Reuters) -U.S. stock futures steadied, the dollar ticked higher and tech stocks in Asia slid on Tuesday following a wave of selling as apparent advances by a Chinese AI startup cast doubt on U.