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.

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.

A warning of a U.S. stock market bubble, advises diversification into value stocks, commodities, and international equities to mitigate risk.

Global investors are worried the emergence of a low-cost Chinese AI model will threaten the dominance of AI leaders.

Some AI researchers hailed DeepSeek’s R1 as a breakthrough on the same level as DeepMind’s AlphaZero, a 2017 model that became superhuman at the board games Chess and Go by purely playing against itself and improving, rather than observing any human games.

A tariff tantrum. DeepSeek’s deep impact. The Philadelphia Eagles’ return to the Super Bowl. Investors have seen plenty to put them on edge so far in 2025.

The efficiency gains of DeepSeek’s AI models startled the power industry, which is set to invest billions in electricity projects.

DeepSeek sent shockwaves through the AI investing world when it announced that it trained its R1 generative AI model for less than $6 million. Even more impressive is that some of its capabilities are on par with other leading generative AI models like ChatGPT and Claude.