The Materials Select Sector SPDR Fund (Ticker: XLB) seeks investment results that correspond generally to the performance, before fees and expenses, of the Materials Select Sector Index. The Select Sector SPDRs are ETFs that result from the division of the Standard & Poor's 500 index into nine sector indexes. The Materials Sector Index represents the materials portion of the S&P 500 Total Market Index. It includes companies from the following industries: chemicals, construction materials, containers and packaging, metals and mining and paper and forest products. The Index is updated ongoing as the S&P components are updated.