Overnight trading volume for grain and the soy complex continued the recent slowing trend, but daytime volume picked up after USDA's weekly export sales report showed bigger than expected sales of corn, soybeans and soymeal. General Comments U.S. stocks slid lower today on some disappointing corporate earnings. The U.S. dollar was slightly weaker. Crude oil fell back below $94 before recovering most of its loss and closing down only 6 cents.Overnight trading volume for grain and the soy complex continued the recent slowing trend, but daytime volume picked up after USDA's weekly export sales report showed bigger than expected sales of corn, soybeans and soymeal. Wheat sales were at the high end of expectations, so the entire report was emb...