China has bought at least another 10 cargoes of US soybeans, three Asian traders said on Thursday, the latest in a flurry of purchases ahead of President Xi Jinping’s expected US visit next month.State-run buyer Sinograin bought 10 to 15 cargoes on Wednesday, the traders said. At least 10 cargoes were for October-November shipment, one trader said.The deals follow trade talks between Washington and Beijing that, according to the White House, included Chinese commitments to buy 25 million...