The CBOT was mostly lower to start the week amid a combination of technically driven and fund position liquidation selling. After the charts turned weak at the end of last week, funds were already starting to lighten up on long positions and continued that trend with more vigor on Monday. Recent longs are now most likely underwater in the major ag products, and funds are cutting losses. Additionally, with first notice day for May futures coming up on Friday, there is a last-minute rush for the exit as any speculative bets on continued May/July spread strength are shed. There was little fresh fundamental news for the day, but the big factors remain strong soybean exports at cheap prices from Brazil along with the favorable weather conditions...