Normally investing primarily in income producing debt securities, preferred stocks, and convertible securities, with an emphasis on lower-quality debt securities (those of less than investment-grade quality, also referred to as high yield debt securities or junk bonds). Potentially investing in non-income producing securities, including defaulted securities and common stocks. Investing in companies in troubled or uncertain financial condition. Investing in domestic and foreign issuers. Engaging in transactions that have a leveraging effect on the fund, including investments in derivatives - such as swaps (interest rate, total return, and credit default), forwards and futures contracts - and forward-settling securities, to adjust the fund's risk exposure and/or to manage liquidity. Implementing investment strategies by investing directly in securities through one or more managers (sub-advisers) or indirectly in securities through one or more other funds, referred to as underlying funds, which in turn invest directly in securities (as described below). Allocating assets among affiliated high yield funds (i.e., Fidelity® funds, including mutual funds and ETFs), non-affiliated high yield funds that participate in Fidelity's FundsNetwork®, non-affiliated ETFs (collectively, underlying funds), and sub-advisers. Allocating assets among underlying funds and sub-advisers to achieve portfolio characteristics similar to those of the ICE® BofA® US High Yield Constrained Index. Allocating assets among sub-advisers and underlying funds using proprietary fundamental and quantitative research, considering factors including, but not limited to, performance in different market environments, manager experience and investment style, management company infrastructure, costs, asset size, and portfolio turnover. Pursuant to an exemptive order granted by the Securities and Exchange Commission (SEC), Strategic Advisers LLC (Strategic Advisers) is permitted, subject to the approval of the Board of Trustees, to enter into new or amended sub-advisory agreements with one or more unaffiliated sub-advisers without obtaining shareholder approval of such agreements. Subject to oversight by the Board of Trustees, Strategic Advisers has the ultimate responsibility to oversee the fund's sub-advisers and recommend their hiring, termination, and replacement. In the event the Board of Trustees approves a sub-advisory agreement with a new unaffiliated sub-adviser, shareholders will be provided with information about the new sub-adviser and sub-advisory agreement .