Sector ETF weakness: Regional Banks– KRE -3.2%. Commercial Banks– KBE -2.8%....Aug. 13, 2008 10:00 AM ETXLF, IYF, RKH, KBE, KREBy: Rachael Granby, SA News Editor Sector ETF weakness: Regional Banks– KRE -3.2%. Commercial Banks– KBE -2.8%. Regional Banks– RKH -2.4%. Financials– XLF -2.3%. Financials– IYF -2.1%. Recommended For YouMore Trending NewsSee More »Trending AnalysisTrending News