THE OPEN May beans:  4 1/2 lower May meal:  1.20 lower May soyoil:  3 higher May corn:  1 1/2 higher July wheat:  8 lower Prices opened as expected but more selling pressure was noted across the board as funds continued to put on sales with early morning technical weakness.  The soy complex was under pressure following the good break in Chinese markets, as processors who have been concerned about tightness are finding bean supplies from Brazil getting through ports, with more supply on the way.  Corn traded lower with Dec. contracts posting a new low on bearish technicals.  Wheat prices saw long liquidation on the cancellation of Egyptian business and weaker export sales.  In the early mor...