The T. Rowe Price High Yield Fund Z Class (TRKZX) is a mutual fund that focuses on investing in high-yield bonds and other fixed-income securities. This fund is managed by T. Rowe Price, a well-respected investment management firm known for its expertise in fixed-income investments. The Z Class designation indicates that this fund is designed for institutional investors and has a lower expense ratio compared to other share classes. With a focus on high-yield investments, this fund aims to provide investors with a higher level of income and potential for capital appreciation.