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 Investments You’ve made investments your whole life. Work with us to help make the most of them. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.