Hong Kong CNN Business — The central Chinese city of Zhengzhou, home to the world’s largest iPhone factory, has lifted a five-day Covid lockdown, in a move that analysts have called a much-needed relief for Apple and its main supplier Foxconn. Zhengzhou is the site of “iPhone City,” a sprawling manufacturing campus owned by Taiwanese contract manufacturer Foxconn that normally houses about 200,000 workers churning out products for Apple (AAPL), including the iPhone 14 Pro and 14 Pro Max. Last Friday, the city locked down its urban districts for five days as Covid-19 cases surged there. Foxconn’s massive facility is...