Wheat:  Net sales of 347,300 metric tons for 2019/2020 were up 22 percent from the previous week and 2 percent from the prior 4-week average.  Corn:  Net sales of 200,000 MT for 2018/2019 were down 60 percent from the previous week and 21 percent from the prior 4-week average.   Soybeans:  Net sales of 127,900 MT for 2018/2019 were down 3 percent from the previous week and 68 percent from the prior 4-week average. Soybean Cake and Meal:  Net sales of 65,300 MT for 2018/2019 were up 45 percent from the previous week and 31 percent from the prior 4-week average.   Soybean Oil:  Net sales of 12,200 MT for 2018/2019 were up 43 percent, but down 6 percent from the prior 4-week average. ...