Wheat:  Net sales of 209,800 metric tons for 2019/2020 were up 19 percent from the previous week, but down 23 percent from the prior 4-week average.  Corn:  Net sales of 427,200 MT for 2019/2020 were down 52 percent from the previous week and 58 percent from the prior 4-week average.   Soybeans:  Net sales of 644,300 MT for 2019/2020 were down 47 percent from the previous week and 27 percent from the prior 4-week average.   Soybean Cake and Meal:  Net sales of 127,200 MT for 2019/2020 were down 36 percent from the previous week and 15 percent from the prior 4-week average.  Soybean Oil:    Net sales of 56,600 MT for 2019/2020 were primarily for Colombia (26,000 MT), South Korea...