AUM: Assets under management (AUM) is the total market value of assets that an investment company or financial institution manages on behalf of investors. NAV: Net asset value (NAV) is value per share of a mutual fund or an exchange-traded fund (ETF) on a specific date or time. Expense ratio: It is a measure of what it costs an investment company to operate a mutual fund. An expense ratio is determined through an annual calculation, where a fund's operating expenses are divided by the average value of its assets under management (AUM). Turnover ratio: The turnover ratio is the percentage of a mutual fund that have been replaced in a given year, which varies by the type of mutual fund, its investment objective and/or the portfolio manager's investing style. YTD : Year to Date Investment Style: It is strategy or theory used by Fund manager to set asset allocation and choose individual securities for investment. The investment style of a fund helps set expectations for long-term performance potential and aids in advertising the fund to investors looking for a specific type of market exposure.