Wheat:  Net sales of 395,100 metric tons for 2019/2020 were down 24 percent from the previous week, but up 11 percent from the prior 4-week average.  Increases primarily for Mexico (78,900 MT, including 30,000 MT switched from unknown destinations and decreases of 100 MT), Nigeria (77,000 MT), unknown destinations (56,500 MT), Bangladesh (55,000 MT), and Japan (42,200 MT, including decreases of 1,500 MT), were partially offset by reductions for Indonesia (1,200 MT) and the Leeward and Windward Island (400 MT).  Exports of 510,900 MT were up 5 percent from the previous week, but down 1 percent from the prior 4-week average.  The destinations were primarily to Japan (118,800 MT), Mexico (100,800 MT), China (63,000 MT), Ind...