I was first introduced to the idea of finding the one (maybe two) most important metric that means the most for a particular company when I was attending SMU pursuing my MBA. I took a personal investing class that was taught by an adjunct professor and it was one of the top classes that I took. He didn’t cover the standard financial and portfolio theory that you hear in traditional finance classes. Instead, he ran his own investment outfit and used was in the investment group that owned the Texas Rangers with George W Bush. I learned a lot...