Wheat:  Net sales of 238,600 metric tons for 2019/2020 were down 34 percent from the previous week and 37 percent from the prior 4-week average.   Corn:  Net sales of 581,600 metric tons for 2019/2020 were up 19 percent from the previous week and 23 percent from the prior 4-week average. Soybeans:  Net sales of 1,253,000 metric tons for 2019/2020 were down 31 percent from the previous week, but up 5 percent from the prior 4-week average.   Soybean Cake and Meal:  Net sales of 345,300 MT for 2019/2020, primarily for the Philippines (137,900 MT), Colombia (64,100 MT, including 14,500 MT switched from unknown destinations and decreases of 700 MT), Japan (30,900 MT, including decreases of 100 MT), El S...