Key Takeaways Cameco cut 2025 McArthur River guidance to 14-15M pounds due to delays and slower ground freezing.First-half 2025 output fell 18% year over year, with McArthur down 35% and Cigar Lake up 8%.CCJ sees Cigar Lake helping offset up to 1M pounds of the McArthur River production shortfall.Cameco Corporation (CCJ) has revised its 2025 production outlook, projecting a 19% drop in its share of output from the McArthur River mine compared with its previous expectation. This shortfall is due to developme ...