“猩猩定律”本是华尔街的一句玩笑话,即基金经理精挑细选出的股票表现甚至难以超越猩猩随意掷飞镖的结果,这一定律在美国市场上至今仍未被打破。高盛的研究报告统计显示,过去十年,美国共同基金中,平均每年只有36%的表现好于标普500指数,其中有两年只有21%,仅有三年的平均比例略超50%。过去五年来,标普500指数大幅上涨,而主动偏股型基金想要跑赢标普 This is a joke on Wall Street that stock managers carefully selected stock performance even difficult to beat the orangutan free throwing dart results, the law in the United States market has not been broken. According to a Goldman Sachs research report, in the past ten years, only 36% of the U.S. mutual funds performed better than the S & P 500 annually, of which only 21% in two years and slightly over 50% in only three years. Over the past five years, the S & P 500 index rose sharply, and active partial stock funds want to outperform S & P