GDX is trading at $89.29, up 4.46% versus the regular-session close; available reporting does not establish a specific catalyst for the after-hours rebound. - On October 7, a stronger U.S. dollar and rising Treasury yields pressured gold and gold miners, while traders watched the Fed minutes. - Reports described declines among major miners, including Newmont and Barrick. - The market context also flags higher yields and geopolitical oil-supply concerns.