The PowerShares Aerospace & Defense Portfolio seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of The SPADE Defense Index. The SPADE Defense Index (DXS) is a modified market capitalization weighted index comprised of publicly traded companies that seeks to measure the performance of securities in the defense, homeland security, and space marketplace.
* Trading Characteristics Definitions Spread : The average dollar difference between the best bid and best offer across all exchanges for the specified time period, weighted by volume. *Spread : Is the monthly average of the daily spread. % Spread : The average spread amount divided by the average bid-ask midpoint, weighted by volume. Share Volume : Composite Volume - total number of shares traded on all exchanges and Nasdaq. Dollar Volume : Dollar amount of shares traded on each exchange for the specified symbol, based on the stocks average price for the time period specified.
