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. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.