Supplement to the

Fidelity® Short Duration High Income Fund

Class A, Class M, Class C, Class I, and Class Z

June 29, 2022

Summary Prospectus

Michael Weaver no longer serves as a Co-Portfolio Manager of the fund.

ASDH-SUSTK-0623-107 1.9881392.107 June 7, 2023

Supplement to the

Fidelity® Short Duration High Income Fund

June 29, 2022

Summary Prospectus

Michael Weaver no longer serves as a Co-Portfolio Manager of the fund.

SDH-SUSTK-0623-103 1.9886586.103 June 7, 2023