The investment seeks to provide current income while seeking to maintain a low volatility of principal. Under normal circumstances, the fund seeks to achieve its investment objective by investing at least 80% of its assets in investment grade, U.S. dollar denominated short-term fixed, variable and floating rate debt. Assets means net assets, plus the amount of borrowings for investment purposes. As part of its principal investment strategy, it may invest in corporate securities, asset-backed securities, mortgage-backed and mortgage-related securities, and high quality money market instruments such as commercial paper and certificates of deposit.