Export Sales and Shipments for August 1-7, 2025.  Wheat: Net sales of 722,800 metric tons (MT) for 2025/2026 were down 2 percent from the previous week, but up 14 percent from the prior 4-week average. Export shipments of 340,800 MT were down 49 percent from the previous week and 37 percent from the prior 4-week average. The destinations were primarily to Mexico (74,000 MT), Vietnam (67,100 MT), Colombia (50,400 MT), Nigeria (49,700 MT), and Taiwan (36,600 MT).    Corn: Net sales reductions of 88,700 MT for 2024/2025--a marketing-year low--were down noticeably from the previous week and from the prior 4-week average. Export sales of 1,520,400 MT were up 24 percent from the previous week and 22 percent from the prior 4-week av...