There was an indication today that the stakes were being raised as traders with opposing long and short positions squared off in tug-of-war contests that tried to influence the location of the day's closing prices to one side or another of key technical points. General Comments There was less volatility within corn, wheat and soy complex contracts today as the majority of trading activity occurred in narrow ranges. However, volume consistently increased above the level of the past few days, while open interest stayed steady. That development indicates the stakes were being raised as traders with opposing long and short positions squared off in tug-of-war contests that tried to influence the location of the day's closing prices to one side...