The investment seeks to provide investment results that closely correspond, before fees and expenses, to the performance of the Solactive GBS United States Large & Mid Cap Index. The fund invests at least 80% of its assets in securities included in its underlying index, in depositary receipts representing securities included in its underlying index and in underlying stocks in respect of depositary receipts included in its underlying index. The index consists of equity securities of large and mid-capitalization equity issuers covering approximately the largest 85% of the free-float market capitalization in the United States.