Grain, Soybeans Rise as Food Riots Spur Demand for U.S. Exports

Wheat rose, capping the longest rally since November 2009, while corn and soybeans climbed as countries increase purchases from the U.S., the world’s biggest exporter, to cut food inflation and quell civil unrest.

Food-exporting countries are “strongly advised” not to restrict shipments to prevent “more uncertainty and disruption” in world markets, the United Nations said. Governments in Egypt, Algeria, Morocco and Yemen have faced protests amid rising costs and high unemployment, and a revolt toppled Tunisia’s leader.