The CBOT was mixed on Wednesday with corn rising after the USDA reported “flash” export sales of over 1.9 MMT of corn to Mexico and unknown destinations combined. The news put a bid under futures and caused corn spreads to firm slightly with funds buying back some of what they sold earlier this week. Wheat tagged along and posted 5-cent gains for the day while soybeans sank lower amid bearish fundamentals. There were daily export sales of 330 KMT of soybeans reported for the day, but the market seems to view such volumes as normal for this time of year and were not overly impressed. Historically, exports have been a major demand driver for soybeans, but this year it feels like they are merely a relief valve for the massive crop and not nece...