The investment seeks to track the price and total return performance, before fees and expenses, of the Vident Core U.S. Equity Index (the "Strategy Index"). Under normal circumstances, at least 80% of the fund's total assets will be invested in the component securities of the Strategy Index and investments that have economic characteristics that are substantially identical to the economic characteristics of such component securities. Strategy Index construction begins by establishing an initial universe of U.S. equity securities of companies with a market capitalization greater than $500 million and meeting certain minimum liquidity requirements.