Key Points U.S. stock returns trail international equities this year. It's wise to diversify beyond U.S. stocks. These three ETFs provide a low-cost way to invest outside of the United States. 10 stocks we like better than Vanguard Total International Stock ETF › U.S. stocks, particularly large-capitalization ones, have performed very well for a long period of time. Over the last 10 years through Sept. 30, the S&P 500 index produced a 15.3% annualized return. During this time, the MSCI World ex-U ...