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 Content Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.