THE OPEN May beans:  4 higher May meal:  .80 higher May soyoil:  42 higher May corn:  1/4 higher May wheat:  1/2 lower Prices opened as called with some minor short-covering activity at the open, which seemed to give way as the Dow took another tumble down 335 pts. breaking the 20,000 pt level.  But at midday, felt like some short-covering and buying interest was taking place in commodities and equities. However, funds continued to sell the market as exports are challenged and outsides struggle.   Selling entered the front months, weakening spreads and thus triggering sell-stops.  Corn lost to wheat and beans today, with a March Planting Intentions number around the corner.   Sho...