Sector ETF strength: Steel– SLX +4.8%. Homebuilders– XHB +4.3%. Retailers– XRT...Jul. 29, 2008 10:01 AM ETXLB, XHB, XRT, KRE, SLXBy: Eli Hoffmann, SA News Editor Sector ETF strength: Steel– SLX +4.8%. Homebuilders– XHB +4.3%. Retailers– XRT +2.9%. Regional Banks– KRE +2.5%. Basic Materials– XLB +2.1%. Recommended For YouMore Trending NewsSee More »Trending AnalysisTrending News