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

ASML surges as Q4 bookings soar on AI demand, China sales to see 'normal ratio' in 2025. Microsoft said to be probing if DeepSeek improperly used OpenAI data. SoftBank to invest in Skild AI.

ASML shares jump 9% as strong chip orders ease AI spending fears. Traders eye semiconductor stocks as demand for high-end chips remains resilient.

DeepSeek challenges OpenAI with drastically cheaper models, prompting discussions on the viability of proprietary versus open-source AI efforts.

Shares in the Dutch semiconductor company were the number one trending ticker in pre-market trading as it reported better than expected fourth-quarter bookings, on strong demand for its advanced tools.

An analysis of the latest developments in the AI compute industry, including ASML's potential for growth and the impact of President Trump's

A slew of stocks, including chip maker Nvidia, fell Monday after Chinese startup DeepSeek released an AI model that runs on less-advanced chips and at a lower cost than U.S. rivals.

Nvidia closed higher on Tuesday as some investors seized an opportunity to buy the chip giant at a discount following its record wipeout on Monday.

DeepSeek topped the Apple App Store chart and sparked fears the Chinese company was quickly catching up with OpenAI's ChatGPT while costing far less.

ASML, a Dutch manufacturer of semiconductor equipment, anticipates that new low-cost versions, such as the one introduced by China’s DeepSeek, would increase rather than decrease demand for AI chips.

By Sinéad Carew, Medha Singh and Amanda Cooper NEW YORK/BENGALURU/LONDON (Reuters) -Semiconductor stocks were a mixed bag on Wednesday, with European chip stocks rallying on strong earnings while U.S.