The article reports that cash dairy prices on the Chicago Mercantile Exchange have increased, with limited demand leading to mostly higher closures. Specifically, dry whey has risen by $0.0050 to $0.48, blocks have increased by $0.0025 to $1.9375, and butter remains unchanged at $3.1050. On the other hand, nonfat dry milk has seen a decrease of $0.01, now at $1.19. The article also mentions that there have been various sales at specific prices within these ranges.