[Bank of America: AI Bubble Seen as the Biggest Tail Risk in the Market] BlockBeats News, August 18 – According to Bank of America's August Global Fund Manager Survey, 32% of investors believe the artificial intelligence (AI) bubble is the biggest tail risk event in the market. Tail risk refers to the probability of extreme and rare events that could have a significant impact on financial markets. The survey also revealed that 27% of respondents consider the disorderly rise in bond yields as the second-largest tail risk event. At the same time, investors' confidence in U.S. stocks outperforming other regional markets has further strengthened. The survey showed that 27% of fund managers surveyed have an overweight allocation to U.S. equities compared to the global benchmark, up 3 percentage points from July, marking the highest level since December 2024. So far this year, U.S. stocks have generally outperformed most overseas markets, with the S&P 500 Index up 13% and the STOXX Europe 600 Index up 10%. However, Japanese and South Korean stock markets have still outperformed U.S. stocks during the same period.