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 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." 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.