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 Question Thank you! Oops! Related Contents Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA.