EES offers exposure to the US small-cap segment by selecting and weighting stocks based on positive earnings over their most recent four quarters. The idea is that weighting stocks by earnings instead of market-cap will produce better long-term performance because equity holders ultimately get paid from profits. The fund selects the bottom 25% of the market capitalization from a starting universe of earnings-generating companies in the US stock market. Stocks are weighted to reflect the aggregate earnings generated by each stock. The index is reconstituted annually. Prior to March 29, 2019, the index was called WisdomTree U.S. SmallCap Earnings Fund that tracked the WisdomTree U.S. SmallCap Earnings Index (formerly known, prior to June 30, 2017, as WisdomTree SmallCap Earnings Index).