An individual stock can change your life. If there's one overarching theme of how to make money in any market, which today came out, this is the first day, it's that one stock can create tremendous wealth for you, provided that you own it for the long haul. You don't trade in and out of it, and you let your gains compound.What does that mean in the heat of the bull versus the bear that goes on every day here in the minuscule stuff that you have to think about. Well, I mean today Dow only gained 82 points, S ...