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? Address Thank you! Oops! Related Contents What Smart Investors Know Smart investors take the time to separate emotion from fact. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.