Apple made a small change to the way it introduced its new iPhones this year, and its record-breaking holiday quarter proved it was a runaway success (AAPL)

· Apple's iPhone business made a big comeback in the holiday quarter, as the company posted a growth in year-over-year revenue for the first time in a year.
· It's a sign that Apple's iPhone 11 launch was a success, coming after third-party research firms had already estimated that sales were strong.
· Apple made a change to...