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. Inflation & Your Money It's important to understand how inflation is reported and how it can affect investments. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.