Morning CME Globex Update:December corn is trading up 1/2 cent, November soybeans are down 2 cents, and September Chicago wheat is trading up 5 cents. September Chicago wheat is trading higher after Dow Jones reported an increase in China's wheat import estimate from China's Grain and Oilseed Information Center. USDA's Thursday morning report of greater-than-expected wheat export sales and shipments for last week is also bullish for wheat prices. New-crop corn and soybean are mixed ahead of Thursday's USDA report. The September U.S. dollar index is trading lower after Wednesday's FOMC minutes suggested that monetary stimulus will continue.