Wheat:    Net sales of 612,700 metric tons for 2019/2020 were up 40 percent from the previous week and 60 percent from the prior 4-week average.    Corn:    Net sales of 806,800 metric tons for 2019/2020 were up 2 percent from the previous week and 34 percent from the prior 4-week average.   Soybeans:    Net sales of 1,664,100 MT for 2019/2020 were up 14 percent from the previous week and 25 percent from the prior 4-week average.   Soybean Cake and Meal:    Net sales of 93,200 MT for 2019/2020 were down 53 percent from the previous week and 62 percent from the prior 4-week average.  Soybean Oil:   Net sales of 14,900 MT for 2019/2020, primarily for...