According to Nightly Business Report, U.S. retail investors lack basic financial literacy. That was one of the conclusions of a government report last month designed to gauge our money smarts. Women, specifically, were among the groups identified in the government report as failing to grasp elementary financial concepts, like inflation and compound interest. Narrowing that financial literacy gap is something the Girl Scouts are working on, badge by badge. Allison Worrell tonight joined a couple of troops learning the value of a dollar.