Wheat:  Net sales of 740,000 metric tons for 2019/2020 were up noticeably from the previous week and up 73 percent from the prior 4-week average. Corn:  Net sales of 1,814,300 MT for 2019/2020--a marketing-year high--were up noticeably from the previous week and up 81 percent from the prior 4-week average.  Soybeans:  Net sales of 904,300 MT for 2019/2020 were up 43 percent from the previous week and up noticeably from the prior 4-week average.   Soybean Cake and Meal:    Net sales of 251,200 MT for 2019/2020 were up noticeably from the previous week and up 39 percent from the prior 4-week average.  Soybean Oil:  Net sales of 55,900 MT for 2019/2020--a marketing-year high--primarily for...