Grain and soy prices were mildly lower in overnight trading with volume no better than average. During the day session, trading in corn and wheat was a two-sided affair, but soybeans rallied to double-digit gains early. General Comments Grain and soy prices were mildly lower in overnight trading with volume no better than average. During the day session, trading in corn and wheat was a two-sided affair, but soybeans rallied to double-digit gains early. Although the market gave back most of those gains, soybean prices stayed in the green zone, closing up mostly 2-3 cents. Obviously, the approach of Friday’s August WASDE with USDA’s first survey-based estimates of U.S. 2016 corn and soybean production is affecting trade and will continue to...