General Comments Prior to the 11 January reports from USDA, grain and soy markets slumped because of a sense that prices had already gone high enough, that the long bull market was over, and that liquidation of long positions mostly held by non-commercials had taken over as the market's main driver. USDA's reports abruptly changed all of that. Grain and soybean supplies were lower than expected, especially so in the case of corn. Export demand for corn and wheat had been slow, but less visible domestic demand was more than making up for slack exports. The very brisk export and domestic demand soybeans were experiencing was old news, and the looming monster South American crop would inevitably limit demand for U.S. soybeans and products.I...