Wheat:  Net sales of 179,500 metric tons for 2019/2020 were down 14 percent from the previous week and from the prior 4-week average.  Corn: Net sales of 637,500 MT for 2019/2020 were up 49 percent from the previous week, but down 19 percent from the prior 4-week average.   Soybeans:  Net sales of 495,200 MT for 2019/2020 were down 23 percent from the previous week and 36 percent from the prior 4-week average.  Soybean Cake and Meal:  Net sales of 558,900 MT for 2019/2020 were up noticeably from the previous week and from the prior 4-week average.  Soybean Oil:  Net sales of 9,400 MT for 2019/2020 primarily for Colombia (7,000 MT), Honduras (2,200 MT), Canada (1,100 MT), Trinidad (700 MT), an...