The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the ICE BofAML Diversified High Yield US Emerging Markets Corporate Plus Index. The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. The index is comprised of U.S. dollar denominated bonds issued by non-sovereign emerging market issuers that have a below investment grade rating and that are issued in the major domestic and Eurobond markets.