Markets opened with sharp losses overnight following President Trump’s weekend tweet that he will increase tariffs against China from the current 10 percent to 25 percent by Friday. This suddenly changed the China trade agreement discussion from what most had believed was a done deal to perhaps no deal at all. Funds are still holding record-large short positions in grain and oilseed futures. The weekend news added more courage to the short trade. It also made those who have been picking bottoms decide that wasn’t a good idea either. Trading volume in corn and soybean futures was big overnight and then wildly big today. However, the volume today in wheat futures was average. Most analysts had been expecting weather forecasts wou...