THE OPEN July beans:  4 lower July meal:  steady July soyoil:  35 lower July corn:  1/2 higher July wheat:  1/2 higher The feature of the day was the rally in corn, where a technical turn in the market finally triggered a short-covering rally.  Inter-market spread activity continued as traders bought corn on planting delays and forecasts for a ridge, versus tensions between the US/China over Hong Kong.  Bean prices broke through key support as soyoil fell in line with a weaker energies trade.  A weaker US dollar was net supportive for grains.  A ridge forecast for next week supported corn as more shorts sought to cover into month's end.  In the long run, the over-sized fund short and...