The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the Market Vectors US Listed Retail 25 Index. The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. Its benchmark index is comprised of common stocks and depositary receipts of U.S. exchange-listed companies in the retail sector. The fund will concentrate its investments in a particular industry or group of industries to the extent that the index concentrates in an industry or group of industries. It is non-diversified.