General Motors moved the headquarters of its international division here from Shanghai last month. Archer Daniels Midland, the agribusiness giant, is gradually doing the same with its Asia and Pacific operations. Other multinationals, like IBM, have shifted staff members here from China for a few functions, like treasury operations. “I’m going to spend a lot of time going back and forth — the five-hour flight is going to be my monthly bus trip,” said Ismael Roig, the president of Archer Daniels Midland’s Asia and Pacific operations. The moves reflect the broader evolution of China, now the world’s largest market for cars, flat-panel televisions and scores of other products. The Chinese economy has become so large and affluent that companies increasingly treat it like Europe, with reports going directly to head offices in home countries and no longer lumped in with those from developing countries. “We are big […]