Wheat:  Net sales of 437,700 metric tons for 2019/2020 were up 83 percent from the previous week and 29 percent from the prior 4-week average.  Corn:  Net sales of 788,000 metric tons for 2019/2020 were up 36 percent from the previous week and 49 percent from the prior 4-week average.  Soybeans:  Net sales of 1,516,700 metric tons for 2019/2020 were up 22 percent from the previous week and 39 percent from the prior 4-week average.   Soybean Cake and Meal:    Net sales of 196,400 MT for 2019/2020 were down 43 percent from the previous week and 12 percent from the prior 4-week average.   Soybean Oil:  Net sales of 39,100 MT for 2019/2020, primarily for South Korea (24,000 MT), Co...