Rydex Inverse Mid-Cap Strategy A (Rydex Series Fds, Inverse Mid-C) fond

The fund will invest at least 80% of its net assets, plus any borrowings for investment purposes, in financial instruments with economic characteristics that should perform opposite to the securities of companies included in the underlying index. The index is a modified capitalization-weighted index composed of 400 mid-cap stocks chosen by Standard & Poor's Corporation for market size, liquidity, and industry group representation. The fund is non-diversified.