Wheat:  Net sales of 493,800 metric tons for 2019/2020 were up 88 percent from the previous week and 31 percent from the prior 4-week average.   Corn:  Net sales of 549,100 metric tons for 2019/2020 were up 12 percent from the previous week and 29 percent from the prior 4-week average  Soybeans:  Net sales of 943,600 metric tons for 2019/2020 were up 99 percent from the previous week, but down 39 percent from the prior 4-week average.  Soybean Cake and Meal:  Net sales of 179,100 MT for the 2019/2020, primarily for Mexico (80,500 MT), the Dominican Republic (33,600 MT), the Philippines (20,000 MT, including decreases of 100 MT), Burma (16,000 MT), and Canada (12,700 MT), were partially offset by re...