伯克希尔·哈撒韦公司及沃伦·巴菲特投资行为分析 - 巴菲特在退休前连续13个季度净卖出股票，总额约1870亿美元[2] - 尽管巴菲特公开表示长期看好美国市场，但其实际行动显示对当前估值水平的担忧[2][4] - 巴菲特在担任CEO的半个多世纪中曾打破多项投资规则，但始终坚守价值投资原则[5][6] 巴菲特指标与市场估值 - 巴菲特在2001年接受《财富》杂志采访时，将股市总市值与GDP之比（即巴菲特指标）称为“衡量任何时刻估值水平的最佳单一指标”[7] - 自1970年12月以来，巴菲特指标的长期平均值约为89%[7] - 2024年8月12日，巴菲特指标飙升至240.24%的历史新高，较56年平均值高出约170%[8] - 巴菲特持续净卖出股票的原因是在人工智能驱动的股市中，价值投资机会变得越来越稀缺[8]

The one thing that is certain about the stock market is that it will have its ups and downs. While the general long-term trend for stocks has always been up, there have also always been some major bumps along the way.That means we're eventually going to see another bear market, and there are clear indications that it could be sooner rather than later. The average bull market lasts around 2.7 years, and the current one we are in has already lasted longer than that, with it about to turn four years old in Oct ...