Banks are predicting a downturn for the American economy. Goldman Sachs raised its 12-month recession probability from 20 percent to 30 percent on Monday, reported Reuters . The banking giant also downgraded American gross domestic product growth forecast from 2 percent to 1.5 percent, and projected three interest rate cuts by the Federal Reserve. In a Sunday note to its investors, Goldman speculated that the average U.S. tariff rate will rise 15 percent points over the next year, 5 percent