The CBOT ended on a mixed note to start the week as policy developments drove much of the day’s price action. News that Argentina is suspending soy product export registrations and that Russia is banning grain exports were supportive while a sharp decline in crude oil/energy values pressured markets. For the day, corn, soybeans, and soyoil ended lower while soymeal posted a fresh contract high and wheat futures settled mixed. Amid rising commodity prices worldwide, the risk of sudden policy shifts influencing world supply and demand is heightened. “Headline risk” will be a key feature of commodity markets this year and will add volatility to an already unstable environment.  For the day, funds were net sellers of som...