The MassMutual RetireSMART 2035 Fund Class R4 (MMXZX) is a mutual fund that is designed to help investors save for retirement in a smart and efficient way. This fund is specifically targeted towards individuals who plan to retire in the year 2035, making it a suitable option for those with a medium-term investment horizon. The fund is managed by MassMutual, a reputable financial services company, and aims to provide a balanced portfolio of stocks and bonds to help investors achieve their retirement goals. With the ticker symbol MMXZX, this fund offers investors the opportunity to diversify their retirement savings and potentially earn long-term returns.