Markets were generally soft overnight. That pattern of weakness then held throughout today in corn and wheat markets, but the soy complex did not follow and closed higher for the week. Friday’s volume was underwhelming except in Chicago wheat. Outside markets were higher today. Oil was trading with gains of more than $1.00/barrel. The U.S. dollar was firm, and U.S. equity markets were also strong.   Corn FUTURES Corn was weaker, mostly in concert with the big losses in wheat, and closed down 2.25-4 cents. Open interest in corn futures is now the biggest ever, which is interesting in view of the sizable old crop U.S. ending supplies. U.S. corn export sales have been on a torrid pace, however. That is expected to continue for...