
Bank of America strategist Michael Hartnett has raised concerns about the S&P 500’s record-high price-to-book ratio, indicating the possibility of an artificial intelligence-driven stock market bubble.
What Happened: Hartnett has revealed a chart that underscores investor optimism regarding the influence of AI. The chart illustrates the S&P 500’s price-to-book ratio, a metric that compares the total market cap of the index’s constituents to their total assets minus liabilities, hitting a record high of 5.3.