Darren Frye, Water Street Solutions, says grains sell off on Friday on profit taking heading into the weekend, a change in the weather and a bearish biofuels ruling.  Corn and soybeans did technical damage on the daily charts, but if forecasted rains don't materialize could the markets shoot right back up Sunday night?  Both classes of winter wheat make new contract lows under the pressure of ample supplies.  Cotton also made news contract lows again.  Meanwhile, live cattle new highs for the move on the heels of $2 higher cash and then ended mixed.  

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