Firms that do that are, in practice, however, the minority and most mutual funds have some gimmick or some special-- they claim to be beating the market not forming the optimal portfolio.

然而实际上,这么做的公司很少,大部分共同基金都会耍些花招,或有一些特别的...,他们强调他们的收益率将强于市场平均水平,而非建立最佳投资组合

耶鲁公开课 - 金融市场课程节选

But then I asked another question, do you think trying to pick mutual funds, trying to find a mutual fund that will beat the market is a smart thing to do or not a smart thing to do?

但是接着我又问了另一个问题,你们认为选择共同基金,选择一种强于市场表现的共同基金,是不是明智之举呢

耶鲁公开课 - 金融市场课程节选