The Fund employs an indexing investment approach designed to track the performance of the MSCI US Investable Market Index (IMI)/Financials 25/50, an index made up of stocks of large, mid-size, and small U.S. companies within the financials sector, as classified under the Global Industry Classification Standard (GICS). The GICS financials sector is made up of companies involved in banking, thrifts and mortgage finance, consumer finance, specialized finance, asset management and custody banks, investment banking and brokerage, and insurance. It also includes Financial Exchanges and Data and Mortgage REITS.