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 Contents The Business Cycle How will you weather the ups and downs of the business cycle? The Investment Risk No One’s Ever Heard Of You face a risk for which the market does not compensate you, that can not be easily reduced through diversification. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.