Policymakers could announce a slowdown to their monthly government-backed securities purchases as soon as November, the Fed's next meeting, and the program may come to a complete end by the middle of next year, Mr. Powell later said.

鲍威尔后来说，决策者可能最早在11月（美联储下次会议上）宣布放缓每月购买政府支持证券的计划，可能在明年年中彻底终止该计划。