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 Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money?