Wheat: Net sales of 414,300 metric tons (MT) were reported for delivery in marketing year 2020/2021.   Corn: Net sales of 361,100 MT for 2019/2020 were down 22 percent from the previous week and 32 percent from the prior 4-week average.   Soybeans: Net sales of 241,700 MT for 2019/2020--a marketing-year low--were down 60 percent from the previous week and 63 percent from the prior 4-week average.  Soybean Cake and Meal: Net sales of 143,000 MT for 2019/2020 were up noticeably from the previous week, but down 40 percent from the prior 4-week average. Soybean Oil: Net sales of 2,800 MT for 2019/2020 were primarily for Colombia (2,000 MT) and unknown destinations (800 MT).  Exports of 23,700 MT were down 55 pe...