CME grain and soy markets closed early today for the U.S. holiday and will not reopen until 9:30 a.m. (EDT) Thursday. They are often quite volatile on the first trading day following the 4th of July due to the importance of weather conditions and forecasts for the rest of the month as well as during the corn crop’s pollination period. Any changes to what had been expected before the holiday can cause a sharp and rapid market response. This year trade conflicts seem to have replaced weather as the market’s top concern of the moment (see today’s separate analysis). A last-minute reprieve from the tariffs that are to be imposed Friday by the U.S. and China would illicit a much sharper price reaction than a changing weather o...