The grain trade is showing disappointment over the lack of export business the United States has seen since the start of the Ukraine-Russian conflict. 

It was immediately suspected this would bring the U.S. more export demand, especially for corn and wheat. Importers have been hesitant to shift their purchases, though, mainly because the values they were made at are considerably lower than the current market. The most watched buyer is China, which has an estimated 5 million to 6 million metric tons of...