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    Corning (GLW) Could Be 24% Below Fair Value As AI Fiber Deals Draw Focus

    Simply Wall St·09/04/2026 12:32:14
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    Why Corning’s AI Fiber Deals Matter For Investors

    Corning (GLW) has drawn fresh attention after securing multiyear, multibillion dollar supply agreements with Amazon and Meta for optical fiber, cable, and connectivity products that are used in AI infrastructure.

    These contracts position Corning more firmly in large scale data center build outs, with the Amazon deal alone expected to support about 1,000 jobs in North Carolina. For investors, the key question is how this growing role in AI focused optical communications fits alongside the rest of Corning’s diversified businesses.

    Corning’s multiyear AI fiber deals arrive after a strong run, with the share price up 61.02% year to date and the 1 year total shareholder return at 111.24%. However, shorter term share price returns over the past month and quarter have declined, suggesting that near term momentum has cooled even as interest in the AI driven story remains high.

    Capture how Corning’s AI fiber momentum fits into a wider infrastructure theme by scanning hand picked 55 AI infrastructure stocks that are positioned to benefit from similar build outs.

    Bulls point to Corning’s AI fiber contracts, recent growth in revenue and net income, and a value score of 4. Bears flag the sharp run in the share price and the recent pullback. Which case does the valuation support next?

    Most Popular Narrative: 23.7% Undervalued

    The most followed valuation narrative currently pegs Corning’s fair value at $191.40, above the last close of $146. This frames the AI fiber contracts within a broader earnings and cash flow story that extends well beyond the recent share price pullback.

    Corning's Springboard plan aims to add more than $4 billion in annualized sales by 2026, driven by strong demand in Optical Communications and Solar sectors due to powerful secular trends, positively impacting revenue growth. The company sees 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.

    Read the complete narrative.

    Want to see how this Springboard plan feeds into that higher fair value for Corning? The narrative focuses on double digit top line growth, rising margins, and a richer earnings profile several years out. The key is how those projected cash flows compare with today’s price and each AI fiber headline. Curious which assumptions really move the model.

    Result: Fair Value of $191.40 (UNDERVALUED)

    Have a read of the narrative in full and understand what's behind the forecasts.

    However, Corning investors still need to watch for any slowdown in Gen AI or solar demand, as well as for pressure on margins if optical and solar competition intensifies.

    Find out about the key risks to this Corning narrative.

    Another View On Corning’s Valuation

    Corning looks 23.7% undervalued against the $191.40 fair value from the consensus model, yet the stock trades on a P/E of 66.2x compared with a fair ratio of 49.5x. That is also higher than the US Electronic industry at 29.7x. Is investors’ enthusiasm getting ahead of itself?

    See what the numbers say about this price — find out in our valuation breakdown.

    NYSE:GLW P/E Ratio as at Sep 2026
    NYSE:GLW P/E Ratio as at Sep 2026

    Next Steps

    Mixed messages so far on Corning’s valuation and growth story. If you want to move quickly and test the assumptions yourself, review the 4 key rewards and 3 important warning signs.

    Looking for more investment ideas beyond Corning?

    If Corning’s story has sharpened your focus on long term themes, do not stop here. Use the Simply Wall Street Screener to pressure test new ideas and widen your opportunity set.

    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.