Wheat:  Net sales of 764,400 metric tons (MT) for 2020/2021--a marketing-year high--were up noticeably from the previous week and up 77 percent from the prior 4-week average.  Corn:  Net sales of 981,100 MT for 2019/2020 were up noticeably from the previous week and from the prior 4-week average. Soybeans:  Net sales of 313,000 MT for 2019/2020 were down 67 percent from the previous week and 46 percent from the prior 4-week average. Soybean Cake and Meal:  Net sales of 177,200 MT for 2019/2020 were up 43 percent from the previous week and 54 percent from the prior 4-week average.   Soybean Oil:  Net sales of 5,700 MT for 2019/2020 were primarily for Guatemala (4,200 MT, including decreases of 3,00...