The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the DAXglobal? Nuclear Energy Index. The fund normally invests at least 80% of its total assets in equity securities of U.S. and foreign companies primarily engaged in various aspects of the nuclear energy business. As of December 31, 2012, the Nuclear Energy Index included 19 securities of companies with a market capitalization range of between approximately $66 million and $34.1 billion and a weighted average market capitalization of $8.4 billion. It is non-diversified.