The U.S. Department of Ag­­­ri­­­­culture (USDA) announced large corn export sales to China on three consecutive days last week, signaling a revival of demand after a slowdown in trade the previous month. 

Last week’s transactions included a 1.156 million metric ton sale on March 16, a sale of 1.224 million metric tons on March 17 and a 696,000 metric ton sale on March 18. 

Altogether, USDA export sales data showed China had purchased 18.7 million metric tons of U.S. corn through March 4,  although it had shipped...