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 What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.