It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. Share | Related Content 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. Saving for College This calculator can help you estimate how much you should be saving for college.