Apple plans to expand and revitalize its worldwide chain of retail stores, pushing deeper into China and other parts of Asia while revitalizing established locations in America and Europe. Mark Gurman for Bloomberg News: Through 2027, the iPhone maker is discussing opening 15 new stores across the Asia-Pacific region, five locations in Europe and the Middle East, and four additional outlets in the US and Canada, according to people with knowledge of the deliberations. The company is also aiming for six revamped or relocated stores in Asia, nine in Europe and 13 in North America, said the people, who asked not to be identified because the matter is private. In total, the company is proposing 53 new, relocated or remodeled…