US grain prices have fallen sharply as retaliatory tariffs on the country’s agricultural exports fuel fears of a supply glut and draw ire from farmers. Corn, wheat and soyabean prices in Chicago have dropped this week after China and Canada said they would impose a range of tariffs on US foodstuffs while Mexico,

Corn and wheat prices are tumbling after China slapped retaliatory tariffs on some American-made goods, pushing farmers into the middle of expanding disputes between the U.S. and its largest tradi

In his address to Congress on Tuesday, President Trump told farmers to "have fun" selling their corn domestically, but experts say that isn't reality. China and Mexico are imposing retaliatory tariffs against U.