This Dirt-Cheap ETF Covers Small-Cap Stocks From Both Developed and Emerging Markets. Here Is Why That Combination Could Be One of the Best Long-Term Diversifiers Right Now

Both small-caps and international stocks are trading at steep discounts to the S&P 500. The Vanguard All-World ex-U.S. Small-Cap Index ETF invests in a broad index of international small-cap stocks.