"Sell in May and go away" strategy:

来源: 2012-01-16 07:25:06 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

http://blogs.reuters.com/reuters-money/2011/04/27/sell-in-may-and-go-away-stock-strategists-not-so-sure/