The CBOT received several pieces of key fundamental information on Tuesday, including updated production figures from CONAB, the results of the USDA’s Monday Crop Progress report, and fresh export sales of corn to Mexico. The result was that wheat popped higher on growing concerns for yields and production in the U.S. this year, while old crop corn saw support from the incredibly strong export pace. New crop corn and soybeans saw pressure from CONAB’s upward revision to their production estimates, which undermined the U.S. export outlook. Outside Markets  Outside markets were mixed again on Tuesday with news that the U.S. and Iran could be returning to the negotiating table, driving the action. U.S. stocks were higher and f...