(RECAP: Perhaps more U.S. banks than at any time in two decades are making it easier to qualify for a mortgage. The CHART OF THE DAY shows the net share of banks telling the Federal Reserve that they’re tightening standards in the home-loan market. In the central bank’s July survey released last week, the net percentage for prime mortgages was negative 18.3 percent, by far the most loosening since it started asking the question by loan-quality category in 2007. Still, lenders have a long way to go before they unwind the restrictions they imposed in the wake of the global financial crisis that risky home loans helped to create.)