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 Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. What to Look for in Personal Finance Apps An increasing number have been developed to help individuals with their personal finances. Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested.