Gate News message, April 24 — According to The Kobeissi Letter, AI-related stocks now account for 45% of the S&P 500 (U.S. benchmark equity index) total market capitalization, marking a historic high and a 20 percentage point increase since ChatGPT’s launch in November 2022.
Simultaneously, AI-related investment-grade debt has risen to 15.4% of the U.S. credit market, becoming the largest sector. This represents a 3.5 percentage point increase from 2020, with the corresponding debt outstanding nearly doubling to $1.4 trillion, an all-time peak.
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