Strategy. The Fund under normal circumstances invests at least 80% of its assets (net assets plus the amount of any borrowings made for investment purposes) in U.S. Treasury securities, obligations issued by agencies or instrumentalities of the U.S. Government (which may not be backed by the U.S. Government) and mortgage-backed securities, that are supported either by the full faith and credit of the U.S. Government or their own credit, collateralized mortgage obligations issued by private issuers, and repurchase agreements related to the principal investments. J.P. Morgan Investment Management Inc. (Sub-Adviser) actively manages the portfolios interest rate exposure, yield curve positioning, sector allocation and security selection. Mortgage-backed securities selections are determined by reference to mathematical models that reflect certain payment assumptions and … Show more… The Fund under normal circumstances invests at least 80% of its assets (net assets plus the amount of any borrowings made for investment purposes) in U.S. Treasury securities, obligations issued by agencies or instrumentalities of the U.S. Government (which may not be backed by the U.S. Government) and mortgage-backed securities, that are supported either by the full faith and credit of the U.S. Government or their own credit, collateralized mortgage obligations issued by private issuers, and repurchase agreements related to the principal investments. J.P. Morgan Investment Management Inc. (Sub-Adviser) actively manages the portfolios interest rate exposure, yield curve positioning, sector allocation and security selection. Mortgage-backed securities selections are determined by reference to mathematical models that reflect certain payment assumptions and estimates of future economic factors. The Fund may also invest in high-quality corporate debt securities. All securities in the Fund are investment grade at the time of purchase. Show less