Did the upstart Chinese tech company DeepSeek copy ChatGPT to make the artificial intelligence technology that shook Wall Street this week.

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.S. and China in developing AI technology.

A grinding crackdown that wiped billions of dollars of value off Chinese technology companies is easing, but the once-freewheeling industry is bracing for much slower growth ahead.