USDA reports that the only change for 2019/20 U.S. wheat is a 25 million bushel increase in exports reflecting growing competitiveness in international markets.  Ending stocks are cut by a corresponding amount and are now forecast to total 940 million bushels, a five-year low.   Global wheat supplies are lowered slightly: World exports are increased 1.8 million tons led by a 1.0-million-ton increase for the EU on strong shipments and more competitive prices.  Kazakhstan is raised 0.8 million tons, also on a fast export pace.  United States is increased 0.7 million tons and is projected to have the largest exports in three years.  Partly offsetting are export reductions of 0.5 million tons for Canada and 0.3 mi...