The investment seeks investment results that correspond generally to the price and yield (before the fund's fees and expenses) of an equity index called the Nasdaq Riskalyze US Mid Cap Index (the index). The fund will normally invest at least 90% of its net assets (including investment borrowings) in the common stocks and real estate investment trusts (REITs) that comprise the index. The index is designed to select dividend-paying securities issued by mid capitalization U.S. companies.