Despite supply-chain constraints costing the company over $6 billion in revenue, iPhone maker Apple posted blockbuster results for the first quarter of its financial year. A highlight of its performance was its sales in China, which grew 21% year-on-year to reach $25.8 billion. The firm became the No. 1 player in the Chinese market, toppling homegrown Huawei and increasing shipments by 32% to 50 million units, according to tech researcher Counterpoint. Apple’s strong performance was also seen across other markets, with sales in the rest of Asia bringing in $9.8 billion in sales, up nearly 20%, and more mature markets...