Wheat:  Net sales of 250,100 metric tons (MT) for 2020/2021 were down 27 percent from the previous week and 22 percent from the prior 4-week average.  Corn:  Net sales of 797,300 MT for 2020/2021 were down 82 percent from the previous week and 46 percent from the prior 4-week average.  Soybeans:  Net sales of 105,800 MT for 2020/2021 were up 4 percent from the previous week, but down 54 percent from the prior 4-week average.  Soybean Cake and Meal:  Net sales of 139,700 MT for 2020/2021 were down 17 percent from the previous week and 34 percent from the prior 4-week average. Soybean Oil:  Net sales of 4,100 MT for 2020/2021 were down 69 percent from the previous week and 62 percent from the prior...