THE OPEN Jan beans: steady Dec meal: .40 lower Dec soyoil:  23 higher Dec corn:  3/4 higher Dec wheat:  3 lower The market opened as expected with more gains posted in corn on short-covering activity.   Traders were opting out of recent buy bean and wheat trade/sell corn, as the corn chart begins to put in more constructive trade.  Farmers continue to keep supply stored, waiting for better values before selling.  US corn could gradually become more competitive into next year.  Continuing rain and cold weather are hampering the last of harvest activity, with some fearing that not much progress was made last week, nor this week for sure.  Corn spreads continue to firm.  Oilshare entered...