Resources ‹ S&P500 s s Articles tagged S&P500 Advanced Investing Why You Should Invest Beyond U.S. Stocks Your Betterment portfolio is internationally diversified. Here are three reasons why that’s essential for managing risk over time. Read More Advanced Investing Why the S&P 500 Is a Bad Benchmark Using a regional indicator to look at your portfolio of global holdings doesn’t provide an accurate picture. Here’s why. Read More What Betterment Offers Retirement Solutions at Betterment We provide solutions for every stage of retirement planning. Betterment IRAs Rolling over to a Betterment IRA involves almost no paperwork and allows customers to be invested in as little as two days.