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? Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset.