A topic that continues to trouble the market is the U.S. share of global trade. This has steadily been declining in recent years, and according to U.S. Department of Agriculture (USDA) data, it may not recover anytime soon. 

According to baseline research data from the USDA, the share of the world market to which the United States supplies corn, soybeans and wheat will remain mostly steady over the next five years. 

For corn, this will equate to...