Winter wheat futures prices were still under pressure during the overnight session, much as they have been nearly all week. That weakness kept the other markets on the defensive, and both corn and soybeans were down slightly at the trading recess. Price weakness widened and deepened during the day session as selling and liquidation prevailed. Equally important was the absence of any reason to buy anything. The weekly export sales report was underwhelming with low sales volumes for corn and soybeans. Although it was nothing special, wheat’s export sales were actually larger than either corn’s or wheat’s, an unusual happening. The day session ended with red numbers across the entire board. Chicago December wheat closed down...