Export Sales and Shipments for July 21-27, 2023. Wheat:  Net sales of 421,300 metric tons (MT) for 2023/2024 were up 81 percent from the previous week and 40 percent from the prior 4-week average. Export shipments of 507,400 MT were up 28 percent from the previous week and 54 percent from the prior 4-week average. The destinations were primarily to China (141,700 MT), Mexico (105,200 MT), the Philippines (45,900 MT), Vietnam (42,300 MT), and Japan (34,200 MT).   Corn:  Net sales of 107,500 MT for 2022/2023 were down 66 percent from the previous week and from the prior 4-week average. Export shipments of 626,200 MT were up 52 percent from the previous week and 26 percent from the prior 4-week average. The destinations w...