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 Jane Bond: Decoding Diversification Agent Jane Bond is on the case, discovering how bonds diversify a portfolio. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.