Mount Ridley Mines is trading 6.52% higher at A$0.05, with no clear company-specific catalyst identified for September 23, 2026. - The latest substantive development remains the September 16 Selectro™ test, which achieved 91.8% scandium recovery using half the previous reagent dose; coverage was updated September 22. - The broader materials sector was up 1.59%, providing supportive context. - BTC and ETH were broadly steady-to-lower and do not explain the move.