Corn extended a rally from a decade high on concern over dwindling supplies amid the war in Ukraine and slower planting in the U.S. Futures in Chicago rose as much as 0.8% to $8.1375, the highest since 2012, as Ukrainian President Volodymyr Zelenskiy said Russian forces had begun a new campaign to conquer the Donbas region in the east. Russian troops have encircled the key port city of Mariupol. The crisis has stalled shipments from the critical Black Sea region that accounts for a fifth of global corn exports. Facing increasingly slim chances of securing corn from eastern Europe, many buyers are looking to the U.S. for supplies. The country’s Department of Agriculture reported multiple sales to China that exceeded 1 million tons this month. Beijing said Tuesday the country’s grain supply is “ ample ” and that it plans to […]