What Smart Investors Know Smart investors take the time to separate emotion from fact. Share | Related Content 16 Wall Street Cliches in 60 Seconds Pundits say a lot of things about the markets. Let's see if you can keep up. The Ivory Tower Changes Wall Street Thanks to the work of three economists, we have a better understanding of what determines an asset’s price. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.