XAR.US
$284.29-0.46% SPDR标普航天与国防ETFSPDR® S&P Aerospace & Defense ETF
In seeking to track the performance of the S&P Aerospace & Defense Select Industry Index (the index), the fund employs a sampling strategy. It generally invests substantially all, but at least 80%, of its total assets in the securities comprising the index. The index represents the aerospace and defense segment of the S&P Total Market Index (S&P TMI).