CCO.TO is trading at 4.1% down now at $138.61 after Cameco announced a temporary suspension of operations at its Cigar Lake uranium mine due to sulfuric acid plant issues at Orano’s McClean Lake mill, which processes all Cigar Lake ore.[5][8] The company expects the mill to restart in about two weeks and does not currently foresee an impact on its 2026 production outlook, though it warned guidance could be at risk if repairs take longer than planned.[5][8]