GDXU is trading at $126.24, down 3.69% pre-market as strong U.S. PMI activity lifted the 10-year Treasury yield near 5.12%, pressuring gold. - Gold miners suffered a sharp September 23 selloff; a firmer dollar and hawkish Federal Reserve expectations also reduced gold’s appeal. - September 24 releases, including jobless claims and new-home sales, could reinforce rate concerns after the open.