Corn futures are trading firm at midsession. Strong export activity has helped support the market despite some near-term technical weakness. Weekly export sales of 55.1 million bushels were at the high end of expectations and were 31% above the 4-week average. March is 2 1/4 cents higher at $3.70 1/2 and December '07 is 2 1/4 cents higher at $3.52 3/4.

Soybean futures are higher at midday. Supportive weekly export sales are supporting the market today. Sales of 33.2 million bushels were up 22% from the 4-week average. However, gains are being limited by technical weakness and a bearish crush number. NOPA November crush was 148.2 million bushels while traders were looking for 150.8 million. January is 2 3/4 cents higher at $6.63 3/4 and November is 3 1/4 cents higher at $7.21.

Wheat futures are mostly higher at midsession, but trade has been choppy this morning. Weekly export sales were decent at 17.3 million bushels, but weren't strong enough to offer support. End of the year positioning and firm corn prices have provided light support. CBOT Mar is 4 cents higher at $4.92 1/2, KCBT Mar is 3/4 of a cent higher at $5.09 1/2, and MGE Mar is 3/4 of a cent lower at $5.05 1/2.

Cattle futures are trading lower at midday. Weakness is being attributed to ideas that cash trade may slip to $85 this week after some light $86 trade earlier in the week. Market ready cattle supplies remain ample and packer demand will be limited by the smaller slaughter this week following the Swift plant shutdowns on Tuesday. December is 45 cents lower at $85.60 and February is 30 cents lower at $88.55.

Lean hog futures are mostly lower at midsession. Weakness in the cash market and yesterday's $1.37 crop in pork cutouts are weighing on the market. The December contract expires at noon CT and the February contract has a sizable premium to the lean hog index. February is 40 cents lower at $63.13.