The CBOT opened mixed but quickly found solid selling pressure as wheat futures tumbled lower under pressure from yesterday’s WASDE that forecast large world ending stocks for 2020/21. Exacerbating the move lower, and providing widespread weakness to commodity markets, were comments from Federal Reserve Chairman Jerome Powell that suggested additional monetary stimulus will be needed. Commodity markets were already grappling with expectations for large supplies, and signals about continued demand weakness and/or slow growth added to bearish sentiment.   Outside markets posted modest losses on Wednesday with U.S. equities pressured by the Fed Chairman’s comments. Investors are cautious about the economic recovery, espe...