Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.