DeepSeek is a new artificial intelligence chatbot that’s sending shock waves through Wall Street, Silicon Valley and Washington. The app, named after the Chinese start-up that built it, rocketed to the top of Apple’s App Store in the United States over the weekend.

A frenzy over an artificial intelligence chatbot made by Chinese tech startup DeepSeek was upending stock markets Monday and fueling debates over the economic and geopolitical competition between the U.

Meta has defended its $65bn (£52bn) investment in artificial intelligence (AI) days after US tech stocks wobbled in the wake of Chinese AI app DeepSeek's sudden rise. Chief executive Mark Zuckerberg said to investors on Wednesday there was a lot to learn from DeepSeek,

Mark Zuckerberg said Wednesday it was too soon to say how advancements by DeepSeek, a Chinese startup, would impact Meta's heavy investments in AI.