Weak charts and good weather for Brazilian crops pressured the CBOT at week’s end with the major market ending sharply lower. After corn and soybeans failed to overcome resistance earlier this week, fund selling and position liquidation has dominated the trade, and cheap Brazilian soybean prices and good weather for the safrinha corn crop haven’t helped either. Funds were net sellers for the day and the weak technical finish to the week’s trade suggests next week will feature defensive price action as well.  The weekly CFTC report was largely in-line with expectations and showed funds expanding long positions in corn, HRW wheat, soybeans, and soymeal. That trend was reversed in the three days since the CFTC collected...