CHICAGO, Illinois (Agriculture.com)--With lingering concerns about world economic pressures, the CME Group corn and soybean markets trade lower Tuesday. Wheat is trading higher.

At mid-session, the Dec. corn futures are trading 2 cents higher at $7.22. The Nov. soybean contract is 1 cent lower at $13.50 1/4. The Sep. wheat futures are trading 13 1/4 cents higher at $7.25 3/4. The Dec. soyoil futures are trading $0.24 higher at $55.70. The Dec. soymeal futures are trading $1.30 per short ton lower at $356.40.

In the outside markets, the NYMEX crude oil is $0.57 per barrel lower, the dollar is lower and the Dow Jones Industrials are down 35 points.

The outside markets and world economic worries are pressuring the grain and soybean markets, traders say.