The lesson from yesterday is one that keeps being repeated, which is that USDA reports can be very humbling. Most were left scratching their heads in disbelief as the estimates had been expected to reflect some of the signals regarding corn and soybean yields.The lesson from yesterday is one that keeps being repeated, which is that USDA reports can be very humbling. The trade was universally expecting modest, friendly estimates of corn and soybean production and corresponding reductions in ending supplies. Instead, the exact opposite happened with corn and soybean yields both exceeding even the most optimistic of trade guesses, and markets got pummeled. That left most people scratching their heads in disbelief as the estimates had been expe...