Wheat:  Net sales of 380,500 metric tons (MT) for 2020/2021 were up 15 percent from the previous week and 13 percent from the prior 4-week average.  Corn:   Net sales of 1,850,300 MT for 2020/2021 were up 29 percent from the previous week and 61 percent from the prior 4-week average.   Soybeans:   Net sales of 466,000 MT for 2020/2021 were down 74 percent from the previous week and 45 percent from the prior 4-week average.   Soybean Cake and Meal:  Net sales of 142,200 MT for 2020/2021 were down 70 percent from the previous week and 44 percent from the prior 4-week average.   Soybean Oil:   Net sales of 19,100 MT for 2020/2021 were down 63 percent from the previo...