How Stocks Work Full Size Verison Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Rebalancing Your Portfolio Over time, different investments' performances can shift a portfolio’s intent and risk profile. Rebalancing may be critical. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.