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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.