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 | Related Content It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. Value vs. Growth Investing Among stock-market investors there’s long been a debate between those who favor value and those who favor growth. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.