if you buy index

来源: noconfusion 于 2012-12-07 07:47:18 [档案] [博客] [旧帖] [给我悄悄话] 本文已被阅读：次 (166 bytes)

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回答: Individual stock and index are 2 different animals, I am afraid. 由一天钓鱼，两天上网于 2012-12-07 07:13:22

then you are not gaining/losing any advantage on the 'sector dimension', and you can only try to outperform on the time dimension.

some theory applies.

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