The boxed beef market posted strong gains on Monday, highlighted by new 2025 highs in the Loin, Plate, and Flank primals. The Loin surged to $470.39, the Plate climbed to $240.46, and the Flank advanced to $174.70, each setting fresh year-to-date records. The Rib also moved sharply higher, up $22.78 to $575.02, showing strong demand even though it remains well below record levels. Meanwhile, the Chuck at $267.15 and the Round at $276.25 continued their steady uptrend, adding to the broad-based strength across the boxed beef complex as seasonal demand accelerates.