AT&T earnings fiber![](https://eu-images.contentstack.com/v3/assets/blt10e444bce2d36aa8/blt58f3623ac5d4e172/6525cae22545038c7edfa726/Fiber-Optics.jpg?width=700&auto=webp&quality=80&disable=upscale)
Fiber![](https://eu-images.contentstack.com/v3/assets/blt10e444bce2d36aa8/blt58f3623ac5d4e172/6525cae22545038c7edfa726/Fiber-Optics.jpg?width=700&auto=webp&quality=80&disable=upscale)
AT&T Earnings: Execs Eye Copper-to-Fiber Transition as Key Wireline InitiativeAT&T Earnings: Execs Eye Copper-to-Fiber Transition as Key Wireline Initiative
AT&T CEO John Stankey said an increased emphasis on fiber will grow margins in the carrier's business wireline segment.