Asia Fears of an escalation in the trade row between China and the US could impact many commodity markets this week as trading resumes in China after the Qingming holiday. In agriculture, the trade tension could benefit Brazil and Argentina, with premiums for soybeans and corn expected to rise this week. In the steel and metals sector, market participants could turn cautious and hold off purchasing. In other news, Asian crude oil buyers are waiting for Iraq to release its monthly official selling price later this week. Last month, the OSP differential for Basrah Light was set 20 cents a barrel below its rival Saudi Arab Medium crude. Lotte Chemical’s aromatics plant in Daesan in South Korea remains shut this week after a fire last Thursday caused minor damage to pipelines. The blaze was quickly extinguished, but the restart date remains unclear. […]