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? Address Thank you! Oops! Related Contents Investments You’ve made investments your whole life. Work with us to help make the most of them. You Would Rather Be... Are you a thrill seeker, or content to relax in the backyard? Use this flowchart to find out more about your risk tolerance. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.