Absent a lot of surprises, stocks are relatively predictable over twenty years. As to whether they're going to be higher or lower in two to three years, you might as well flip a coin to decide.
Peter LynchThe Rule of 72 is useful in determining how fast money will grow. Take the annual return from any investment, expressed as a percentage, and divide it into 72. The result is the number of years it will take to double your money.
Peter Lynch