Interest rates are on the decline, U.S.-China trade tensions have heightened and markets have been on a wild ride of late. Against this backdrop, the largest banks of the United States reported earnings. The economic signal from these bank results remains positive so far despite concerns over non-bank lenders, especially after a few recent bankruptcies.Wall Street credit concerns have resurfaced lately, following a warning from JPMorgan Chase (JPM) CEO Jamie Dimon about “cockroaches” in the U.S. economy, as ...