Markets were slightly lower overnight in light volume. This week's pattern of one day strong and the next day weak continued today after yesterday's strength in corn and soybeans. General Comments Markets were slightly lower overnight in light volume. That weakness continued and deepened in today's session. This week's pattern of one day strong and the next day weak continued today after yesterday's strength in corn and soybeans. Wheat was soft yesterday and again today with Chicago futures experiencing double-digit losses. Today's weekly export sales numbers (delayed because of last Monday's holiday) showed better-than-expected corn sales, although wheat and soybean sales were below the expected ranges. Wheat volume was good today, while...