Foxconn investigation puts further focus on China’s treatment of foreign firms

Chinese authorities are again shaking the confidence of foreign companies in the country with a series of arrests across industries and an investigation into Foxconn, Apple’s most important partner and one of the largest employers in China.

Over the weekend, state media said that regulators are conducting tax audits and reviewing land use by Foxconn, the Taiwanese company that makes the vast majority of iPhones at factories in China.

Meanwhile, an executive and two former ...