The Fidelity Managed Retirement 2030 Fund Class K (FMREX) is a mutual fund that is designed to help investors reach their retirement goals by the year 2030. This fund is managed by Fidelity Investments and is classified as a Class K fund, which typically has lower fees and minimum investment requirements compared to other classes. The fund's portfolio is actively managed and may include a mix of stocks, bonds, and other assets to provide a balanced approach to retirement investing. Investors in this fund can expect a diversified portfolio that is tailored to their retirement timeline and risk tolerance.