The end of Apple’s affair with China

By a dusty stretch of the deafening road from Chennai to Bengaluru lie three colossal, anonymous buildings. Inside, away from the din of traffic, is a high-tech facility operated by Foxconn, a Taiwanese manufacturer. A short drive away Pegatron, another Taiwanese tech firm, has erected a vast new factory of its own. Salcomp, a Finnish gadget-maker, has set one up not far away. Farther west is a 500-acre campus run by Tata, an Indian…