Among the largest underlying components of IYZ, in trading today CenturyLink, Inc. ( NYSE: CTL) is up about 0.3%, Sprint Nextel Corp ( NYSE: S) is up about 0.7%, and Crown Castle International Corp ( NYSE: CCI) is up by about 2.2%.
Among the largest underlying components of IWR, in trading today Crown Castle International Corp ( NYSE: CCI) is up about 1.1%, PPG Industries, Inc. ( NYSE: PPG) is up about 0.3%, and H.