* Front-month CBOT September corn slipped 1-1/4 cents to $3.58-1/2 a bushel under pressure from old-crop supplies, an analyst said.

* CBOT December corn, which represents the crop that will be harvested this autumn, rose 1/2 cent to $3.68-1/4 per bushel. Contracts for 2020 also ended higher.

* It was a modest rise after the December contract on Friday touched $3.65-1/2, its lowest price since May 13, as the US-China trade war escalated.