Trading at the CBOT amid the U.S. Columbus Day holiday was cautious but saw mostly higher prices/buyer support. Technical buying fueled some speculative buying while reports are that some farm sales were executed with corn near $4/bushel. The biggest note of caution was Chinese statements that additional trade discussions are desired before a deal can be finalized.  The U.S. weather pattern remains concerning for about half the major corn/soybean growing regions and friendly for the rest. Parts of the northern Plains will get some mid-week snow showers but nothing as bad as last week. Tuesday night brings high odds of frost/freeze for the western and northwestern Plains states. That freeze will certainly continue to cause problems for...