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.

The ramifications of Chinese startup DeepSeek, with its promise of delivering cheaper, more energy-efficient alternatives to harness artificial intelligence, have yet to be fully reflected in U.S. equities. That’s the thinking of Don Townswick, director of equity strategies at Conning Asset Management, which oversees $170 billion in assets.

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

Success of DeepSeek's AI model to bolster the appeal of China's tech stocks that trade at depressed valuations, Invesco says Hong Kong stocks rose on Thursday to refresh a four-month high, as a key gauge of Chinese technology stocks entered the bull market territory,