Wheat:  Net sales of 393,700 metric tons (MT) for 2020/2021 were down 27 percent from the previous week and 34 percent from the prior 4-week average.  Corn:  Net sales of 651,100 MT for 2020/2021--a marketing-year low--were down 66 percent from the previous week and 59 percent from the prior 4-week average.  Soybeans:  Net sales of 352,800 MT for 2020/2021--a marketing-year low--were down 62 percent from the previous week and 47 percent from the prior 4-week average.  Soybean Cake and Meal:  Net sales of 223,700 MT for 2020/2021 resulting in increases primarily for the Philippines (51,300 MT), Guatemala (50,700 MT), Canada (35,200 MT, including decreases of 600 MT), Mexico (34,100 MT, including decrease...