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 Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt.