Foxconn and other gadget-makers are expanding their empires

Foxconn, a Taiwanese electronics manufacturer, is best known for making iPhones in China. Yet in October it announced plans to build a megafactory in Mexico that will churn out servers made with artificial-intelligence (AI) chips from Nvidia, a semiconductor giant. To meet the roaring demand for AI, the plant’s capacity will be, as Young Liu, Foxconn’s chairman put it, “very, very enormous”.