The TIAA-CREF High-Yield Fund Prem (TIHPX) is a mutual fund that focuses on investing in high-yield bonds and other fixed-income securities. It aims to provide investors with a higher level of income through its portfolio of lower-rated, higher-yielding bonds. This fund is managed by TIAA-CREF, a leading financial services organization, and is suitable for investors seeking a potentially higher return on their investments.