The Apple iPhone 15 series displayed for sale at The Grove Apple retail store in Los Angeles, California. Wall Street is hoping the iPhone 16 will come with major AI updates. Patrick T. Fallon/AFP/Getty Images New York CNN — Apple hasn’t given users a significant reason to buy an upgraded iPhone for four years, since it rolled out 5G connectivity with the iPhone 12 — a worrying trend for the tech giant’s core business. That could change this week. The iPhone brought in more than half of the company’s total revenue last year, but sales growth has lagged as […]