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. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset.