The idea of rules based investing, or systematic investing, is not new. Ben Graham offered new and old methods that worked with each iteration of The Intelligent Investor. He also offered up different methods outside of the book too.
In my last post on following simple principles, Graham refers to an article he wrote about three such methods, along with a 50-year study he did. Out of curiosity, I dug around for the study, but only found the article.
His three methods were interesting, but Graham makes the point that the lesson is not that his three methods are the best or only methods that work. Rather, the lesson is that any systematic approach should work and continue to do so as long as it’s based on sound investing principles and three other requirements: Continue Reading…

The idea of following sound principles is one of the main lessons in