Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents 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. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Saving for College This calculator can help you estimate how much you should be saving for college.