The Fidelity Advisor Corporate Bond Fund: Class Z (FIKOX) is a mutual fund that primarily invests in a diverse portfolio of corporate bonds. This fund is managed by Fidelity Investments and is designed for investors seeking a higher level of income and potential for capital appreciation. The Class Z shares of this fund have a lower expense ratio compared to other share classes, making it an attractive option for cost-conscious investors. With a focus on high-quality corporate bonds, this fund offers a balance of stability and potential for growth.