SEOUL, August 27 (AJP) - Apple is expected to unveil its first foldable iPhone next month, intensifying competition with rival Samsung Electronics in the growing foldable phone market. Apple on Wednesday announced it will hold an event on Sept. 9 at its headquarters in Cupertino, California, which will also be streamed online. Although Apple did not disclose which products will be unveiled, market watchers expect the handset maker to introduce the iPhone 18 Pro and Pro Max, alo