The fund generally will invest at least 90% of its total assets in the securities that comprise the index. The index provider compiles, maintains and calculates the new underlying index, which is comprised of approximately 1,500 common stocks and is designed to track the performance of small and mid-sized developed market companies, excluding U.S. companies, based on the following four fundamental measures of company size: book value plus intangibles, adjusted cash flow, adjusted sales, dividend plus buybacks.