The final trading day of October saw few tricks or treats for ag commodities ahead of Halloween. The CBOT traded mostly lower in low-volume trade with corn and soybeans firming heading into the close. A risk-off mentality continued to dominate traders’ thinking as macro markets remain volatile ahead of Tuesday’s U.S. elections. Investors looking for stability/less risky trades in macro markets have increasingly bought the U.S. dollar, pushing currency higher and undermining CBOT values, especially wheat. Overnight trading volume was huge, with over 64,000 contracts of December corn trading hands, along with 34,000 contracts of January soybeans and 9,000 contracts of Chicago wheat. The overnight volume was largely due to London-...