The fund delivers excellent marketlike coverage in a large, liquid and low cost wrapper. In seeking long-term capital growth, it tracks the S&P Total Market Index which covers the broad US equity market, including large-, mid-, small-, and micro-cap stocks. The fund provides outstanding exposure to the entirety of the US equity market with no minimum size requirement whilst being market-cap weighted. Overall, XUU delivers comprehensive exposure to the US stock market inexpensively. The index is rebalanced quarterly and reconstituted annually.