This summary is based on reports from exporters for the period May 24-30, 2019. Wheat:  Net sales reductions of 26,000 metric tons for delivery in the 2018/2019 were down noticeably from the previous week and from the prior 4-week average.  Corn:  Net sales reductions of 8,800 MT for 2018/2019 resulting in increases for New Zealand (33,200 MT, including 33,000 MT switched from unknown destinations), Japan (24,200 MT), Mexico (20,500 MT), Guatemala (13,000 MT, including 4,500 MT switched from El Salvador and 4,000 MT switched from Colombia), and Taiwan (5,500 MT, including decreases of 100 MT), were more than offset by reductions for Nicaragua (27,300 MT), Costa Rica (27,300 MT), unknown destinations (24,300 MT), and the Dom...