CHICAGO (AP) _ Grain futures were mostly lower in early trading Friday on the Chicago Board of Trade. May. corn fell by 4 cents at $4.61 a bushel. May. wheat was down 1 cent at $5.62 a bushel. May.

Alan Brugler with A&N Economics, LLC. says the tariff escalation once again weighed on the grain markets with the EU putting retaliatory tariffs on U.S. grains and threats that Canada would put levies ...