The fund invests, under normal circumstances, at least 80% of its assets (net assets plus the amount of any borrowings made for investment purposes) in the component securities ("Component Securities") of the index. The index provider uses a fundamental weighting approach to construct the index, which includes a diversified universe of U.S. small companies determined by the relative size of each company based on a company's fundamental footprint, including adjusted sales, cash flow, dividends and buybacks, and book value.