Corn and soybeans rallied Monday on news of the deal that brought Canada into what is now being called the U.S.-Mexico-Canada Agreement (USMCA), while wheat stayed closer to unchanged. Trade overnight found corn and soybeans correcting lower with wheat trading both sides before posting a small gain at the recess. Today it was wheat’s turn to lead the way higher with soybeans and corn in tow. There were several supportive factors for grains and the soy complex. First, there is the soggy weather outlook with potentially heavy rains over the eastern Plains as well as the western and northern Corn Belt beginning Thursday, which are expected to continue intermittently through next week. Cumulative totals of several inches are possible on a...