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Corning (GLW) Wins New Fiber Deals, Is It Still Below Fair Value?

Simply Wall St·09/20/2026 04:28:16
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Corning (GLW) is back in focus after three linked moves in its optical communications arm: a new multicore fiber standard, a long-term Verizon fiber contract, and a planned US$2b equity raise are reshaping investor questions.

Recent price action has been choppy. Corning’s share price has climbed strongly year to date with a 65.6% gain, yet the 90 day share price return is down 28.5% and the 7 day move is down 9.8%. This suggests momentum has cooled even as long term total shareholder returns remain very strong over 3 and 5 years.

Scan how Corning’s AI fiber story compares with other potential infrastructure plays by reviewing our curated list of 88 AI infrastructure stocks in one place.

Corning looks like a clear beneficiary of AI data traffic, yet the recent equity raise and sharp share pullback leave a harder question: Is a strong franchise now on sale or still fully charged in the price?

Most Popular Narrative: 22% Undervalued

Against a last close of $150.13, the most followed narrative anchors Corning’s fair value at $191.40. This points to a meaningful valuation gap and puts the recent drawdown in a different light for anyone focused on longer term optical and solar demand.

Corning's Springboard plan aims to add more than $4 billion in annualized sales by 2026, driven by demand in Optical Communications and Solar sectors due to powerful secular trends, positively impacting revenue growth. The company reports substantial growth in Optical Communications, particularly in innovations for Gen AI data centers, which are expected to drive incremental revenue and accelerate operating margin improvements toward 20% by the end of 2026.

See why 90 investors see Corning as 22% undervalued.

Result: Fair Value of $191.40 (UNDERVALUED)

Still, Corning’s reliance on Gen AI and solar demand, along with exposure to tariffs between the US and China, could quickly weaken this upbeat narrative.

Find out about the key risks to this Corning narrative.

Next Steps

Corning’s story may look optimistic at first glance, yet both the risks and the upside deserve your own close read before the market moves. To weigh the trade off between concern and optimism around Corning’s outlook, start by reviewing the 4 key rewards and 3 important warning signs.

Looking for more ideas beyond Corning?

If you like Corning’s setup but do not want all your chips on one story, broaden your watchlist with a few focused stock ideas.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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