The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. Avoiding Cognitive Decline Try these activities to keep your brain sharp. Managing Your Lifestyle Using smart management to get more of what you want and free up assets to invest.