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. Related Content Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors. Forecast The market is as unpredictable as the weather. We'd love to help you prepare. Counteracting Capital Gains with Tax-Loss Harvesting You may have heard the phrase "tax-loss harvesting." A financial professional may be able to provide some guidance.