Trading on the CBOT was volatile once again with corn futures marking a 24-cent range while soybeans posted a 38-cent range. The market opened sharply higher but was quickly pulled lower by a wave of profit taking and short selling. Corn futures posted a bearish outside day on the charts just two days after marking a bearish key reversal while wheat futures sold off further and are approaching key trading range support levels. The soy complex managed to shrug off early weakness with soybeans and soyoil posting gains for the day, though the meal market struggled heading into the close.  Funds were net sellers in the grain markets Wednesday, liquidating some 18,000 contracts of corn and 8,000 contracts of wheat. They were net buyers in...