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 Emerging Market Opportunities What are your options for investing in emerging markets? Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.