The investment seeks investment results that correspond, before fees and expenses, to the price and yield performance of the Indxx REIT Preferred Stock Index (the underlying index). Under normal market conditions, the fund will invest not less than 90% of its assets in component securities of the underlying index. The underlying index is comprised of preferred securities listed on U.S. exchanges that are issued by real estate investment trusts (REITs). The fund is non-diversified.