U.S. EconomyNFIB Small Business Optimism Index: -0.7 to 91.2, vs. -2.6 prior. It's the second consecutive...May 10, 2011 7:33 AM ETBy: Rachael Granby, SA News Editor1 Comment NFIB Small Business Optimism Index: -0.7 to 91.2, vs. -2.6 prior. It's the second consecutive month of decline in small business optimism, and suggests the bulk of new hiring is happening in larger firms. Recommended For YouTrending AnalysisTrending News