The Motley Fool, the Rule of 72

The stock market traditionally has returned nine or ten %. If you can earn a rate of return of 20 to 21% that's doubling your money about every three and a half years. Over the course of the roughly 27 and ahalf years that we've picked stocks, motley fool stock visor, et cetera, we have had eight doubles. And if you're earning that market return for us stock market, you can be doubling every seven years or so.