What Smart Investors Know Smart investors take the time to separate emotion from fact. Share | Related Content From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.