The Fund is an index tracking fund (also known as a passively managed fund).The objective of the Fund is to track the performance of the fixed-rate, US dollar-denominated high yield corporate bond market. The Fund seeks to track the performance of the Bloomberg SASB Scored US Corporate High Yield Ex Controversies Select Index as closely as possible. The Fund invests primarily in securities included in the Index. The Index is a high yield, fixed-rate, U.S. dollar-denominated benchmark that optimizes its R-Factor score, an environmental, social and governance rating, provided by State Street Global Advisors.