US tech giant Nvidia lost over a sixth of its value after the surging popularity of a Chinese artificial intelligence (AI) app spooked investors in the US and Europe. DeepSeek, a Chinese AI chatbot reportedly made at a fraction of the cost of its rivals, launched last week but has already become the most downloaded free app in the US.

KEY TAKEAWAYS Nvidia and other artificial intelligence stocks at the forefront of the AI revolution are rebounding somewhat Tuesday after a selloff triggered by Chinese startup DeepSeek’s launch of a cutting-edge model at a fraction of the cost of its U.