Sector ETF strength: Base metals- DBB +1.65%. Silver- SLV +1.6%. Livestock- COW +1.5%. Agri- MOO...Jul. 09, 2008 4:04 PM ETXLU, SLV, DBB, MOO, COWBy: Eli Hoffmann, SA News Editor Sector ETF strength: Base metals- DBB +1.65%. Silver- SLV +1.6%. Livestock- COW +1.5%. Agri- MOO +1.1%. Utilities- XLU +1%. Recommended For YouMore Trending NewsSee More »Trending AnalysisTrending News