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. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. 5 Smart Investing Strategies Getting what you want out of your money may require the right game plan.