The CBOT opened lower overnight as USDA’s surprise increase in the good/excellent ratings for corn and soybeans pressured the market. Wheat followed corn lower, pressured by spillover selling as well as its own good harvest statistics. The increase in crop conditions ratings seemed to spark fresh expectations for U.S. corn and soybean yields, with many traders and analysts now shifting their yield forecasts higher. A lack of daily export sales news further caused prices to slide lower, though reports are that commercial pricing was active.  The U.S. corn harvest will start in the Delta in the next few weeks and provide a fresh influx of cash grain for export. Cash prices are likely to start grinding lower under seasonal harvest...