In March, Tim Cook was among the first batch of foreign executives to land in Beijing to court high-level officials after the lifting of pandemic-era restrictions, with Apple’s chief lauding how the company and China had grown together in a “symbiotic relationship”. Six months on, that relationship is under strain. Apple is facing new competitive pressures in a country that is not only its largest manufacturing hub but also its biggest international market, responsible for nearly 20 per cent of sales in its last quarter. A share sell-off cut almost $200 billion (€187 billion) from Apple’s market capitalisation this month…