U.S. Banks Hoard $2 Trillion of Ultra-Safe Bonds, Suggesting Weak Recovery

``Part of the buildup has to do with rules that require banks to hold more high-quality assets in the wake of the worst financial crisis since the Great Depression. But it also reflects how borrowers, particularly among Americans scarred by the housing bust, are still repairing their finances rather than going into debt to splurge on big-ticket items. And that may mean the U.S. recovery isn't quite as robust as all the upbeat data would suggest.''