CHICAGO, Illinois (Agriculture.com)--The pre-opening prices for the CME Group grain commodities for Wednesday, September 8, 2010 are lower. The early calls for corn, soybeans and wheat are 1-2 cents lower.

In overnight electronic trading, the Dec. corn futures contract traded steady at $4.66 1/4 per bushel. The Nov. soybean futures contract traded 1 1/2 cents lower at $10.50 1/2 per bushel. The Dec. wheat futures contract traded 1 3/4 cents lower at $7.33 1/2. For Dec. soymeal futures, the contract traded $0.90 per short ton lower at $305.80, and Dec. soyoil down 0.04 point at $41.75.

The outside markets are mildly supportive for Wednesday's grain trade. The real factors driving the lower early calls are the lower overnight markets.