Fidelity Total Bond 

Normally, the fund invests at least 80% of assets in debt securities of all types and repurchase agreements for those securities. The manager uses the Bloomberg U.S. Universal Bond Index as a guide in allocating assets across the investment-grade, high yield, and emerging market asset classes. The fund invests up to 20% of assets in lower-quality debt securities. It is managed to have similar overall interest rate risk to the index.