GDXU is trading at $86.99, down 9.22%, as falling gold weighs on the leveraged mining ETF. - The ETF is versus its prior close of $95.82; spot gold fell 1.1% and December futures declined 0.9%. - Oil rose after attacks in Saudi Arabia heightened supply concerns, reviving inflation concerns and expectations of higher-for-longer rates, which can pressure gold and mining shares; GDXU’s leverage can amplify sector moves. - Markets await the Fed meeting.