Wheat:  Net sales of 643,100 metric tons for 2019/2020 were up 90 percent from the previous week and 10 percent from the prior 4-week average.  Corn:  Net sales of 968,800 MT for 2019/2020 were down 22 percent from the previous week and 9 percent from the prior 4-week average.   Soybeans:  Net sales of 644,800 MT for 2019/2020 were down 8 percent from the previous week, but up 2 percent from the prior 4-week average.   Soybean Cake and Meal:    Net sales of 234,200 MT for 2019/2020 were up 10 percent from the previous week, but down 44 percent from the prior 4-week average.  Soybean Oil:  Net sales of 39,100 MT for 2019/2020 primarily for South Korea (25,000 MT), Morocco (16,00...