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 From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.