Today’s markets faced a number of crosscurrents. Besides spreading in China, African swine fever (ASF) has appeared in Vietnam and could well spread elsewhere in Southeast Asia. Measuring the effect of ASF on hog populations and feed consumption has become difficult if not impossible, but it seems to be growing. There was a report that ASF was found in certain Canadian feed products, but this appears unlikely. Markets were also aware that President Trump indicated late Tuesday afternoon that China might buy more U.S. corn than “anyone thought possible.” Chinese-U.S. trade negotiations continued in Washington today with Treasury Secretary Mnuchin, USTR Lighthizer and Chinese Vice-Premier Liu meeting again as they did last w...