Barrick Mining is trading 6.4% down at $40.13 after-hours on September 25, with no fresh company announcement explaining the decline. - The stock’s regular-session close was $42.88. - Reuters reported spot gold fell 0.1% to $4,274.94 on September 25 and was about 2.4% lower for the week amid higher Treasury yields and hawkish Fed signals. - Reuters also reported strike notices at Barrick’s Mali gold complex for September 28 onward; neither report directly linked these developments to the after-hours move.