美银调查：认为AI股估值已陷泡沫的基金经理比例创纪录新高

Core Insights - A record proportion of global fund managers believe that AI-related stocks have entered a bubble after significant gains this year [1] - Approximately 54% of respondents in the October survey indicated that technology stock valuations are too high, contrasting sharply with nearly half of respondents who held a different view last month [1] - The proportion of fund managers who believe that global stock market valuations are too high has also reached a new high [1] Asset Allocation and Sentiment - Fund managers' asset allocation still reflects a degree of optimism, with exposure to U.S. stocks rising to an eight-month high, a level last seen before concerns over tariffs escalated [1] - Concerns about an economic recession have decreased to the lowest level since early 2022 [1] Market Risks - The AI bubble is viewed as the largest tail risk in the current market, followed by concerns about inflation resurgence, weakened independence of the Federal Reserve, and depreciation of the U.S. dollar [1]