Corn futures are lower at midsession. Profit-taking is weighing on futures, but the market has been choppy as traders begin to even positions at the end of the month, quarter and year. Weakness in the dollar and dry weather stress for the crop in parts of Argentina have been supportive factors at times. March is 2 1/4 cents lower at $3.91 1/4 and July is 2 cents lower at $4.12 1/4.

Soybean futures are trading higher at midday. Hot and dry weather is stressing the soybean crop in parts of Argentina. Generally favorable weather is being reported for Brazil although southern Brazil remains on the dry side. Weakness in the dollar index and strong export demand, particularly from China, are also supportive factors. January is 5 cents higher at $9.43 1/2 and March is 4 1/2 cents higher at $9.50.

Wheat futures are trading higher at midsession. Weakness in the dollar and some recent export activity are supportive factors. Pakistan and Bangladesh are tendering for wheat. However, gains are being limited by the recent sluggish pace for wheat exports as export shipments last week were only 3.5 million. CBOT March is 2 1/4 cents higher at $5.94 1/4, KCBT March is 4 cents higher at $6.15 and MGE March is 1 1/4 cents higher at $6.46.

Cattle futures are trading firm at midsession. The market is being supported by reports that meat trade with Mexico will return to normal for most of the previously suspended plants. The cash market is expected to develop at steady prices this week with the $85-$86 last week. February is 30 cents higher at $86.50 and April is 35 cents higher at $89.70.

Lean hog futures are higher at midday. The market is being supported by short-covering and news that trade with Mexico from most suspended packing plants will resume. Reports that a deal has been reached to increase the amount of pork exports to Russia in 2009 is also supportive. The market has been able to overcome the $1.54 drop in pork cutouts on Monday. February is 60 cents higher at $59.75 and April is 48 cents higher at $68.00.