Bond ETFs that invest in a diversified portfolio of fixed-income securities, such as corporate and government bonds, offer ways for investors to broaden their bond investments while reducing the risk of any one issuer. According to Morningstar, Vanguard Total Bond Market Index Fund (BND) holds over 10,000 investment grade funds with a 0.03 percent fee, and it benefits from moderate risk exposure while gaining a strong yield. Fidelity Total Bond ETF (FBND) carries 14 percent of high-yield users while holding about 35-40 percent each of government and corporate bonds and 20 percent securitized debt. Vanguard Total International Bond Index Fund (BNDX) comprises investment-grade bonds issued in currencies other than the U.S. dollar and employs forward contracts to mitigate its currency exposure.