FTBFX is a mutual fund offered by Fidelity Investments that focuses on providing investors with a diversified portfolio of fixed-income securities. This fund aims to provide a steady stream of income and preserve capital by investing in a variety of bonds, including government, corporate, and mortgage-backed securities. With a low expense ratio and a long-term investment approach, FTBFX is a suitable option for investors looking for a conservative and stable addition to their portfolio.