Events on Wall Street Can successful investors predict changes in the markets? Some can but others miss the market’s signals. Share | Related Content Can Election Results Predict the Market? How do the markets usually react to elections? Was the 2016 election any different? The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.