The investment seeks investment results, before fees and expenses, that track the performance of the S&P 500®/MarketAxess® Investment Grade Corporate Bond Index. The fund seeks to invest substantially all of its assets in the bonds included in the index. The index consists solely of investment grade bonds issued by companies in the S&P 500. The fund may invest in or gain exposure to only a representative sample of the securities in the index, or to securities not contained in the index, with the intent of obtaining exposure with aggregate characteristics similar to those of the index, including the general credit profile of the index.