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 Content Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases. Diversification, Patience, and Consistency Three important factors when it comes to your financial life.