Grain and soy markets started out weaker in overnight trade and continued to trade red numbers throughout the day session in a relatively subdued manner. Meanwhile, the Pro Farmer Midwestern crop tour seems to have assumed some increased level of importance. General Comments The Pro Farmer Midwestern crop tour, currently underway, seems to have assumed some increased level of importance compared with the last few years. The reasons for this are USDA’s August corn and soybean yield estimates of 175.1 bushels/acre and 48.9 bushels/acre, respectively. Those are spectacular levels and, if realized, would blow up the existing yield records. It has been an odd growing season so far with very warm temperatures but ample rainfall except for limit...