Gold logs a 5th straight monthly decline, its longest losing streak in 4 years Gold and silver prices softened for a fourth straight day on Wednesday. JOEL SAGET/AGENCE FRANCE-PRESSE/GETTY IMAGES Gold and silver prices softened for a fourth straight day on Wednesday as traders bet that the Federal Reserve is likely to keep benchmark interest rates higher for longer following Fed Chairman Jerome Powell’s Jackson Hole speech last Friday. Meanwhile, gold ended the month of August with its 5th straight…