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 Message Thank you! Oops! Related Content When Markets React When markets shift, experienced investors stick to their strategy. What’s Your Investment IQ? You make decisions for your portfolio, but how much do you really know about the products you buy? Try this quiz Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.