Wheat extends losses

Wheat futures are trading lower Tuesday and have extended Monday's losses . Trading is active and expected to be choppy. May Wheat is trading at 518 1/2, down 9 1/2 cents. July Chicago wheat is trading at 519 1/2, down 8 1/4 cents. May Kansas City Wheat is trading at 560 1/2 , down 11 1/2 cents.