It's all about the M stupid. I'm talking about the multiple or more accuracy the price to earnings multiple and what it tells you about a stock and where it's going in how to make money in any market. I spend a huge amount of time explaining how the multiple works because it's the M shorthand for price to earnings multiple that actually determines the price of a stock.This is some something that really just confounds many people. Even the young hires I taught at Goldman Sachs oh so many years ago. The M is ...