Key Takeaways AI stocks had a volatile week as Wall Street reckoned with the implications of a sophisticated, cost-efficient AI model from Chinese start-up DeepSeek.Semiconductor stocks such as Nvidia and Broadcom sold off on Monday as investors worried DeepSeek's efficiencies would temper enthusiasm for AI infrastructure spending.

DeepSeek could spark a shift from hardware to software, similar to what happened to traditional computing beginning in the 1990s.

AI investors are desperately trying to find clues on the real impact of DeepSeek on chip demand in the future and gauge how the breakthrough in China would impact US companies.

DeepSeek has launched an AI model that was reportedly developed with significantly less computational power than traditional methods. Shares of Nvidia are under pressure amid concerns that DeepSeek's methods may undermine demand for its high-performance GPUs.

Here’s what you need to know about DeepSeek, the Chinese AI startup that rattled markets as its app dethroned OpenAI's as the most-downloaded free app in the U.S. on Apple.

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.