Wheat actually traded higher much of today's session on news that Saudi Arabia did buy 345,000 MT of optional origin hard wheat. However, it couldn't withstand the selling pressure in the corn and soybean markets and turned lower just before noon. General Comments Markets were steady to soft at the beginning of this holiday-shortened Thanksgiving week in the U.S. Trading volume overnight and today was very light. Markets will be closed Thursday and not open again until Friday morning before closing at 1pm (EST) that day.There were some export announcements from USDA this morning that included 235,000 MT of soybeans, 174,000 MT of soymeal and 116,000 MT of sorghum.U.S. financial markets showed very small gains for most of today's session...