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’s Your Investment IQ? You make decisions for your portfolio, but how much do you really know about the products you buy? Try this quiz Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter. Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation.