The investment seeks to provide shareholders with liquidity and as high a level of current income as is consistent with preservation of capital. The fund is a money market fund that invests in high quality, U.S. dollar-denominated short-term debt securities that, at the time of purchase, are rated by one or more rating agencies in the highest short-term rating category or, if not rated, are determined by the subadviser to be of equivalent quality. It may invest in all types of money market instruments, including bank obligations, commercial paper and asset-backed securities, structured investments, repurchase agreements and other short-term debt securities.