|iShares Dow Jones U.S. Financial Services Index Fund (the Fund) seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the financial-services sector of the United States equity market, as represented by the Dow Jones U.S. Financial Services Index (the Index). The Index measures the performance of the financial services industry segment of the United States equity market, including real estate and general finance. The Fund invests in sectors, such as banks, financial services and S-T securities. The Fund generally invests at least 90% of its assets in securities of the Index and in depositary receipts representing securities of the Index. BlackRock Fund Advisors (BFA) serves as the investment adviser to the Fund.