THE OPEN Nov beans:  7 1/4 lower Dec meal:    2.60 lower  Dec soyoil:  13 lower Dec corn:     6 lower Dec wheat:  4 1/2 lower The markets opened as called with light profit-taking on both sides, which featured a bit of selling in corn and buying in beans.  Bean charts opened close to trading range highs while Dec corn traveled to the middle of recent ranges.  Good rains pressured the markets as the crops need rainfall due to the later planting season and recent dryness for the month of August.  Prices congested into the 11:00 hour of trade.   Market certainties centered more around demand, where traders saw the lack of a trade deal and world competition as feeding i...