Chicago Board of Trade corn futures weakened on Friday under spillover pressure from losses in the neighboring wheat market, traders said. Front-month CBOT September corn fell 1-3/4 cents to $3.58 a bushel. December corn, which represents the crop that will be harvested this autumn, dropped 1-1/2 cents to close at $3.69-3/4 per bushel.
CBOT September corn deliveries totaled 440 contracts, fewer than some traders had expected. Deliveries against September wheat contracts were heavier than expected, though, knocking down wheat markets and putting pressure on corn prices.