GLW, VZ, COHR In Focus As AI Fiber Shortage Drives Prices Higher — TrendForce Sees Supply Crunch Through 2028
TrendForce reports a fiber shortage driven by AI demand, with telecom operators securing long-term supply agreements. Corning signed deals with Verizon (129M km fiber) and AT&T ($3B+), expecting supply crunch through 2028.
How this was made

The 30-second read
Why it matters
The disclosed agreements represent the first public disclosure of these multi‑billion‑dollar deals, providing fresh material for investors.
Market read
The contracts underscore escalating AI‑related fiber demand and may lift the stocks of the involved telecom and fiber suppliers.
What to watch
Potential cost overruns or execution delays could dampen the expected benefits of the agreements.
Background
TrendForce reports a shift toward long‑term fiber supply contracts as AI demand drives a projected shortage through 2028.
Ticker impact
Corning signed a $3 billion agreement with AT&T to supply fiber and cable for its U.S. network expansion.
likely upward pressure as the market prices in the new revenue stream
A multi‑billion‑dollar deal is material and was first disclosed in this article.
Corning and Verizon locked in a long‑term supply agreement for 129 million fiber kilometers.
moderate upside as the agreement reduces supply risk
The deal is significant for Verizon's infrastructure plans but the immediate impact is limited.
Corning signed a separate $3 billion agreement with AT&T to supply fiber and cable for its U.S. network expansion.
potential modest upside as the market values the secured supply source
While material, the news is more about Corning's revenue; AT&T benefits indirectly.
Market effects
Highlights growing AI‑driven demand for high‑density fiber, signaling strength for the telecom infrastructure sector.
U.S. telecom providers may see improved supply certainty, supporting broader market sentiment.
Long‑term fiber shortages could affect global AI rollout timelines, benefiting suppliers like Corning.
Counterpoint
If fiber capacity expansion lags, the contracts may not translate into near‑term earnings, limiting upside.
Key entities
- CompanyCorning Inc.
Fiber optics manufacturer securing large contracts with Verizon and AT&T.
- CompanyVerizon Communications Inc.
Telecom operator entering a long‑term fiber supply agreement with Corning.
- CompanyAT&T Inc.
Telecom operator signing a $3 billion fiber supply deal with Corning.



