The fund invests in a combination of four Fidelity® stock and bond index funds (underlying Fidelity® Funds) using an asset allocation strategy designed for investors seeking a broadly diversified, index-based investment. It allocates approximately 48% of its assets in Fidelity® 500 Index Fund, 12% in Fidelity® Extended Market Index Fund, 25% in Fidelity® International Index Fund, and 15% in Fidelity® U. S.