我觉得股票超过15支就很难beat index了。现在我尽量减到10支。

来源: Labourse 于 2015-02-19 19:03:41 [档案] [旧帖] [给我悄悄话] 阅读数 : (158 bytes)

回答: 凌乱的持仓由牛经沧海于 2015-02-19 18:13:33

Think like this. If I want my return to be 30% yearly, and I hold 10 stocks, each of them need be 30% too, but that's not easy. 20 stocks? Almost impossible.