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 | Related Content 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. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.