Both Wall Street and the White House will be paying close attention to Fed Chair Jerome Powell's high-profile speech Friday at the Fed's annual economic symposium in Jackson Hole, Wyoming.

Wall Street will be listening closely to Federal Reserve Chair Jerome Powell's speech Friday at the Jackson Hole economic policy summit, where he could signal whether the central bank is ready to cut borrowing costs at its next meeting in September.

Financial markets are taking in a collective breath ahead of Jerome Powell's eighth and final keynote Jackson Hole speech as Federal Reserve Chair. If the moves following his last seven are any guide,