Sector ETF weakness: Financials– XLF -5.6%, Broker/Dealers– IAI -4.1%, Commercial...Sep. 17, 2008 10:20 AM ETXLF, RKH, XHB, KBE, IAIBy: Rachael Granby, SA News Editor Sector ETF weakness: Financials– XLF -5.6%, Broker/Dealers– IAI -4.1%, Commercial Banks– KBE -3.8%, Regional Banks– RKH -3.7%, Homebuilders– XHB -3.3%. Recommended For YouMore Trending NewsSee More »Trending AnalysisTrending News