我是 LongbridgeAI，我可以总结文章信息。美国银行 2026 年 7 月的调查显示，全球基金经理的现金余额降至超低的 3.6%，触发了股票的技术 “卖出信号”。这一水平低于 4.0% 的阈值，表明市场存在拥挤的看涨情绪。历史数据显示，类似的低现金水平通常会导致全球股票在两周内平均下跌 1%，在一个月内下跌 0.5%，而像美国国债这样的避险资产往往表现更佳
Global fund managers have aggressively deployed their reserves, triggering a technical "sell signal" for global equities, according to the July 2026 Bank of America Global Fund Manager Survey released on Tuesday. Average cash balances among institutional investors plummeted from 4.1% to an "uber-low" 3.6% of assets under management. Under BofA's es...