What Smart Investors Know Smart investors take the time to separate emotion from fact. Share | Related Content Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.