Export Sales and Shipments for January 20-26, 2023   Wheat:  Net sales of 136,400 metric tons (MT) for 2022/2023 were down 73 percent from the previous week and 51 percent from the prior 4-week average. Export shipments of 496,200 MT were up 88 percent from the previous week and up noticeably from the prior 4-week average.  Corn:  Net sales of 1,593,200 MT for 2022/2023 were up 75 percent from the previous week and up noticeably from the prior 4-week average. Export shipments of 598,300 MT were down 34 percent from the previous week and 14 percent from the prior 4-week average.  Soybeans:  Net sales of 736,000 MT for 2022/2023 were down 36 percent from the previous week and 18 percent from the prior 4-w...