Legendary investor warns: This is the most fragile market in history

Renowned global financial market "Bubble Hunter" Jeremy Grantham has warned that the AI-driven prosperity of the US stock market may end in disaster, with an economic recession looming. Grantham pointed out that a rise in the stock market's price-earnings ratio is usually followed by a decline, citing Herman's research and stating that the S&P 500 index's valuation level has reached the most aggressive level since 1929. He is concerned that the AI bubble may burst and continues to adhere to long-term predictions of an economic recession. Grantham has been warning about the risks of market collapse and economic recession, expressing concerns about the rise in the US unemployment rate in July. He emphasizes that economic recessions are inevitable and may require a longer period of time