The fund normally invests at least 80% of assets in investment-grade debt securities (those of medium and high quality) of all types and repurchase agreements for those securities. Its manager manages the fund to have similar overall interest rate risk to the Bloomberg Barclays U.S. Intermediate Government/Credit Bond Index. The fund normally maintains a dollar-weighted average maturity between three and 10 years. It allocates assets across different market sectors and maturities. The fund invests in domestic and foreign issuers.