After the Federal Reserve slashed interest rates, Goldman Sachs predicted that the dollar would gradually weaken as yields lost their appeal. Goldman Sachs instead raised its forecasts for several major currencies, including the euro, sterling and the yen. "We continue to believe that the high valuation of the dollar will not be eroded quickly or easily, but the threshold has been lowered somewhat," Goldman strategists including Kamakshya Trivedi wrote in the report. Goldman, which has been bull...