Bloomberg: Soybean prices rose on speculation that dry weather will damage crops in Argentina, the world’s biggest exporter of vegetable oil and animal feed made from the commodity. Most fields in Argentina will receive less than 0.5 inch (1.3 centimeters) of rain the next five days, less than a forecast earlier today of as much as 1.25 inches, said Donald Keeney, a meteorologist at MDA EarthSat Weather Services in Rockville, Maryland. Argentina’s soybean output may decline 25 percent, the …