It was a somewhat volatile open but there was one certainty – wheat was going down. Joined by soyoil. Lower wheat weighed on corn, which hung on for a small gain. The story remains one of better weather and not much else to talk about, except shipments of grain out of Ukraine are occurring and surprisingly without being harassed. Soybeans and soymeal are partly supported by export sales. The weather forecast remains cooler in the U.S., with showers in the west, scattered showers on the Canadian Prairies, cooler temps and showers in Western Europe, and scattered showers around the Black Sea. In other words, grain making weather.  After Friday’s cattle on feed report the market shaker is likely to be USDA’s Crop Acrea...