Sector ETF weakness: Silver– SLV -3.3%. Energy– XLE -1.5%. Oil Services– OIH...Aug. 14, 2008 10:09 AM ETXLE, IYE, OIH, SLV, GSG, KOLBy: Rachael Granby, SA News Editor Sector ETF weakness: Silver– SLV -3.3%. Energy– XLE -1.5%. Oil Services– OIH -1.4% Commodities– GSG -1.3%. Coal– KOL -1.2%. Energy– IYE -1.2%. Recommended For YouMore Trending NewsSee More »Trending AnalysisTrending News