Goldman Sachs Group Inc. (GS) and JPMorgan Chase & Co. (JPM) are among banks whose debt ratings may be cut by Moody’s Investors Service as it examines whether the U.S. would be less likely to ensure creditors are repaid in a crisis . . .

http://www.bloomberg.com/news/2013-08-22/moody-s-mulls-downgrade-of-biggest-banks-as-u-s-support-wanes.html