The Fidelity Freedom 2050 Fund: Class K6 (FZTKX) is a mutual fund that aims to provide long-term growth and capital appreciation for investors who plan to retire in the year 2050. This fund is managed by Fidelity Investments and primarily invests in a mix of stocks and bonds, with a focus on growth-oriented investments. The Class K6 shares have a lower expense ratio compared to other share classes, making it a cost-effective option for investors. This fund is suitable for those with a long-term investment horizon and a moderate to high risk tolerance.