The investment seeks a high level of current income. The fund normally invests at least 80% of assets in debt securities of all types that Fidelity Management & Research Company LLC (FMR) (the Adviser) believes have positive environmental, social and governance (ESG) benefits and repurchase agreements for those securities. It invests up to 20% of assets in lower-quality debt securities (those of less than investment-grade quality, also referred to as high yield debt securities or junk bonds).