The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Share | Related Content The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. What Generation Z Employees Really Want Bean-bag chairs, foosball tables, pizza Fridays, and work-where-you-want schedules became the business norm over the past... Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy.