The Fund normally invests at least 80 percent of its total assets in securities that comprise the Funds benchmark index. The Natural Resources Index is a global index that tracks the performance of Natural Resources Companies. Natural Resources Companies are companies principally engaged in activities related to raw materials and commodities, including metals, energy sources and agricultural products, together natural resources activities. To be initially eligible for inclusion in the Index, a company must generate at least 50 percent of their revenue from natural resources activities or have mining projects with the potential to generate at least 50 percent of its revenue from natural resources activities when developed and must have a market capitalization of greater than dollar 500 million. The Index selects Natural Resources Companies from the following sub-themes: agriculture, energy, renewable energy, industrial metals, precious metals, and forest and paper products. These sub-themes are subject to change at the discretion of MarketVector Indexes GmbH (the Index Provider or MarketVector). The Index is weighted by modified market capitalization and is published by the Index Provider, an indirectly wholly owned subsidiary of the Adviser. The Index is currently reconstituted semi-annually and rebalanced quarterly.