A good article, except that the authors (like many others in their field) forgot that companies constituting the Sensex in 1979 are not the same as sensex in the year 2007-8 and therefore not comparable.
your authors deserve kudo's for a well scripted article, many good learning points. being what human nature is, this article demonstrates that it is discipline that seperates winners from the losers, be it financial or metal.- parvish kamat-goa