THE OPEN May beans:  19 lower May meal:  4.20 lower May soyoil;  1.21 lower May corn:  7 3/4 lower May wheat:  8 1/2 lower Prices opened lower as called with more selling pressure at the start of the day.  Funds sold into good scale down commercial pricing activity.  Weaker oilshare was a theme, but wheat markets rallied on rumors that some business has been done with China.  As a result, traders bot wheat/sold corn and beans.  Meal and soyoil continue to have their own stories backing weaker oilshare, as crush margins in the US are lower but still positive with continuing problems in Argentina for crushers and export tax complications.  Soyoil trades weaker in its affiliation with low...