Markets were mixed to lower overnight in light trading volume. Wheat and corn opened lower this morning ahead of the USDA reports, but the soy complex started the day firm on another round of soybean export sales announcements. General Comments Markets were mixed to lower overnight in light trading volume. Wheat and corn opened lower this morning, but the soy complex started the day firm on another round of soybean export sales announcements. That strength evaporated in the first hour with soybeans turning lower. The market was waiting for the noon (EDT) USDA quarterly stocks reports, but the only portion that could have been positive was the 1 September soybean stocks number due to tight old crop ending supplies. There were no surprises...