General Comments In anticipation of tomorrow's Grain Stocks report, market participants may have reversed the old adage, "buy the rumor, sell the fact," into "sell the rumor, buy the fact." There is already common anticipation that this season's early harvest could make the 1 September corn stocks numbers appear somewhat bearish. Bullish corn traders also had to deal with disappointing export sales this morning. Corn's low export sales number of only 400 ME seemed to have occurred as prior high-priced purchases were cancelled. The weak export sales were just further incentive for corn traders to wait until after tomorrow's report before deciding whether to trade the long side.USDA reports are commonly considered bullish or bearish in rel...