To achieve its investment objective The Fund seeks to track the investment results of the Bloomberg U.S. Total Fixed Income Market Index (the Underlying Index), which measures the performance of U.S. dollar-denominated fixed income securities that are rated either investment-grade or high yield (as determined by Bloomberg Index Services Limited (the Index Provider or Bloomberg)). The Underlying Index includes fixed and floating rate U.S. Treasury bonds, U.S. Treasury Inflation-Protected Securities (TIPS), government-related bonds, investment-grade and high yield U.S. corporate bonds, securitized assets, fixed and floating rate notes and corporate bonds, leveraged loans, Eurodollar bonds, bonds registered with the SEC or exempt from registration at the time of issuance or offered pursuant to Rule 144A with or without registration rights and U.S. dollar- denominated emerging market bonds.