Corning (GLW) Stock Drops 5% as Zayo Signs Fiber Supply Deal Through 2030

NewsThu, 20 Aug 2026 13:31:31 UTC2 hours ago
Corning (GLW) Stock Drops 5% as Zayo Signs Fiber Supply Deal Through 2030

TLDR

  • Zayo has signed an expanded fiber optic supply agreement with Corning (GLW) through 2030.
  • The deal secures fiber for Zayo’s plan to add 15,000 route miles to its network by 2030.
  • Over 8,000 miles of new long-haul fiber will be built in collaboration with NVIDIA.
  • AI infrastructure growth is driving demand for faster, denser network construction.
  • Corning (GLW) stock fell 4.65% to $152.46 on the day of the announcement.

Zayo has locked in a long-term fiber optic cable supply deal with Corning (GLW), securing the materials it needs to execute one of the largest network buildouts in its history.



Corning Inc, GLW

Corning stock dropped 4.65% to $152.46 on the day, with after-hours trading showing a further dip to $152.21.

The agreement runs through 2030 and covers a large portion of the fiber Zayo has projected it will need over that period. For Zayo, it removes a key materials risk from a multi-year construction plan.

Zayo is planning to add 15,000 route miles to its network by the end of the decade. More than 8,000 of those miles will be new long-haul fiber, built in partnership with NVIDIA.

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