How Stocks Work Full Size Verison Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents What Smart Investors Know Smart investors take the time to separate emotion from fact. A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.