The investment seeks to track as closely as possible, before fees and expenses, the total return of the Dow Jones U.S. Small-Cap Total Stock Market Index. To pursue its goal, the fund generally invests in stocks that are included in the index. The index includes the small-cap portion of the Dow Jones U.S. Total Stock Market Index actually available to investors in the marketplace. The Dow Jones U.S. Small-Cap Total Stock Market Index includes the components ranked 751-2500 by full market capitalization. The index is a float-adjusted market capitalization weighted index. The fund will invest at least 90% of its net assets in these stocks.