With the hype around AI and the propagandizing by people like Altman, Microsoft, and others AI got to the point where it made up 34% of the S&P 500 capitalization, and all time high for 7 of the large companies since 1980. Nvidia who makes the chips for AI making up about 6.8% of the S&P 500, contributing to a quarter of the total return on the S&P 500 index in 2024.
Till someone in China figured out a way to do it at 5.6% of what it costs in the US for the high flying AI companies in the US.