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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Surprises Making the most of surprises is a great reason to work with us. How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money. Earnings for All Seasons Earnings season can move markets. What is it and why is it important?