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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content What Smart Investors Know Savvy investors take the time to separate emotion from fact. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.