We have not known a single person who has consistently or lastingly make money by thus "following the market". We do not hesitate to declare this approach is as fallacious as it is popular.
Benjamin GrahamThe thing that I have been emphasizing in my own work for the last few years has been the group approach. To try to buy groups of stocks that meet some simple criterion for being undervalued-regardless of the industry and with very little attention to the individual company.
Benjamin Graham