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 Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. Saving for College This calculator can help you estimate how much you should be saving for college.