The T. Rowe Price U.S. High Yield Fund - I Class (TUHIX) is a mutual fund that primarily invests in high-yield bonds issued by companies in the United States. This fund aims to provide investors with a high level of current income while also seeking capital appreciation. The "I Class" designation indicates that this fund is designed for institutional investors and may have lower fees compared to other classes of the same fund. With a focus on high-yield bonds, this fund carries a higher level of risk but also has the potential for higher returns.