THIS ETF HAS BEEN CLOSED - LAST TRADING DAY: MAY 18, 2009. The PowerShares FTSE RAFI Financials Sector Portfolio Fund (Ticker: PRFF) seeks to replicate, before fees and expenses, the the FTSE Research Affiliates Fundamentals Financials Sector Index. The index is designed to track the performance of the largest U.S. financial equities, selected based on the following four fundamental measures of firm size: book value, cash flow, sales and dividends. The U.S. financial equities with the highest fundamental strength are weighted by their fundamental scores. The companies are engaged in the financial services industry, including commercial banks, investment banks, savings and loan associations, thrifts, finance companies, brokerage and advisory firms, insurance companies and real estate companies.