Wheat for Sep. declined 16.75 cents at $6.8150 a bushel; Sep. corn was off 2.25 cents at 4.96 a bushel, Sep. oats fell 11.25 cents at $4.8375 a bushel; while Sep. soybeans lost 12 cents at $12.5875 a bushel. Beef was mixed and pork was lower on the Chicago Mercantile Exchange. Aug. live cattle was up .65 cent at $1.2375 a pound; Sep. feeder cattle was off .30 cent at $1.5575 a pound; while Oct. lean hogs fell 1.90 cents at $.8547 a pound.