Corn futures traded slightly higher much of the day, but there was zero excitement with relatively light volume. All three wheat markets were also higher much of last night and today, although only one could hold any gains at the close. General Comments Markets were quiet overnight in very light trading volume. That pattern was also apparent today with corn and wheat slightly higher and soybeans slightly lower. This should be expected to continue until USDA’s September production and revised WASDE estimates are released on 12 September.USDA announced the sale of 264,000 MT of soybeans to China and 179,000 MT of corn to unknown. Its weekly export sales report was released this morning after a one-day delay because of the Labor Day holiday...