A sixth straight day of daily “flash” export sales announcements from USDA sent CBOT corn and soybean futures higher with funds covering shorts and commercials positioning bullishly too. The export demand for corn caught the market by surprise and has created the current rally, while the seasonal influx of soybean sales has offered more mild support. Soybeans need to see strong exports during the October-FH January period before the Brazilian crop becomes available, so the current export pace is more meeting expectations than exceeding them. That has kept soybeans’ gains a little more muted than corn, though the former market posted its third straight daily gain on Wednesday. Wheat futures were mixed with rains forecast for the HRW growing...