This summary is based on reports from exporters for the period September 29-October 5, 2023. Wheat:  Net sales of 652,000 metric tons (MT) for 2023/2024--a marketing-year high--were up noticeably from the previous week and up 67 percent from the prior 4-week average. Export shipments of 342,500 MT were down 12 percent from the previous week and 18 percent from the prior 4-week average. The destinations were primarily to Mexico (146,800 MT), South Korea (83,600 MT), Yemen (52,400 MT), Japan (33,600 MT), and Guatemala (10,600 MT). Corn:  Net sales of 910,400 MT for 2023/2024 were down 50 percent from the previous week and 9 percent from the prior 4-week average. Export shipments of 812,900 MT were up 33 percent from the previous w...