The Chicago grain market experienced mixed results, with wheat and corn prices increasing due to the temporary closure of Ukrainian ports, while soybeans declined due to Covid-19 cases in China and partial rain in Argentina. The temporary closure of a Ukrainian port and a Russian attack on Ukraine's energy supply led to gains in wheat and yellow bean futures. Conversely, soybean futures fell due to alleviated concerns about crop shortages in Argentina and worries about China's relaxation of restrictions.