DeepSeek’s advances have roiled global stock markets and AI players. Now, its influence is spreading quickly at home, with some of China’s biggest tech companies, many of which had been developing their own chatbots,

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.