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 chief executive says lower-cost AI models will boost chip demand. He doesn't see DeepSeek as a threat for AI hyperscalers either.

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

And, Microsoft and OpenAI are investigating whether OpenAI code was obtained in an unauthorized way for a group linked to DeepSeek. Plus, a conversation with T-Mobile CEO Mike Sievert after posting a fourth quarter earnings beat and a secret partnership with Apple to implement SpaceX's Starlink service.

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

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 Holding N.V. has been playing out as the stock has not only underperformed the S&P 500 but fallen on a total shareholder return basis as well. Read more here.

Catch up on the top artificial intelligence news and commentary by Wall Street analysts on publicly traded companies in the space with this

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.

Dutch semiconductor equipment maker ASML on Wednesday reported better-than-expected net sales and profit results for the fourth quarter.

The artificial intelligence boom is a two-edged sword for $290 billion ASML . Shares in the Dutch maker of lithograph machines used to make chips soared by 8% on Wednesday thanks to booming demand from semiconductor manufacturers such as TSMC .