General Comments After the Monday holiday, the first trading of the week opened last night with wheat, corn and soybeans prices moving higher. There seemed to be a number of factors involved: follow-through technical strength, forecasts for continued dryness in Argentina and southern Brazil, no relief from the drought over the U.S. Southern and Central Plains and the western Midwest, reports that Chinese buyers were actively seeking U.S. and Brazilian soybeans for spot shipment through May, and signs that Russia might consider eliminating its 5 percent import duty on grains.Those sentiments carried over to the opening of the day session helped along by big weekly export inspections for soybeans and wheat. CME wheat jumped up 7 cents and...