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Buy Corning on Solid Q3 Earnings, Guidance and AI Photonics Space Rally
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Key Takeaways
Corning's Q3 core EPS rose 36% to 91 cents, beating estimates, while revenues climbed 19% to $5.08 billion.
Optical Communications sales surged 44% and Enterprise Networks sales jumped 84% on solid AI Infra demand.
Corning expects Q4 core EPS of 96 cents to $1 and targets $40 billion in annualized sales by 2030.
Corning Inc. (GLW - Free Report) reported third-quarter 2026 core earnings of 91 cents per share, up 36% year over year. The figure surpassed the Zacks Consensus Estimate of 89 cents. Core revenues increased 19% to $5.08 billion and beat the consensus mark of $5.03 billion.
Growth was primarily driven by Optical Communications, where revenues surged 44% amid strong demand for artificial intelligence (AI) infrastructure. Enterprise Networks sales jumped 84%, while generative AI product sales more than doubled.
AI and Optical Communications Momentum
Secular demand for bandwidth, cloud computing and AI infrastructure continues to support GLW’s Optical Communications business. Third-quarter 2026 Optical Communications sales increased 44% year over year to $2.38 billion, while segment net income surged 80% to $532 million.
Enterprise Networks revenues increased 84% to $1.53 billion, supported by accelerating adoption of optical connectivity solutions for AI data centers. Carrier Network sales grew 4% to $854 million, driven by demand for data center interconnect solutions.
The chart below shows the price performance of GLW year to date.
Image Source: Zacks Investment Research
Robust Market Opportunity
Large AI models require millions of graphics processing units (GPUs) working in tandem. As a result, the ecosystem witnesses massive growth in data throughput (as high as 400 Gbps and 800 Gbps). The traditional copper wiring is unable to carry these extremely high-speed data packets properly, as it generates excessive heat slowing down the entire AI compute cluster.
The photonics technology solves this problem transmitting data at the speed of light through a fiber optic network. Photonics enables high-speed, low-latency, and energy-efficient data transfer without overheating.
According to IG Transformation Partners, the global AI Photonics Market was valued at $4.08 billion in 2025 and is projected to reach $17.79 billion by 2034, at a CAGR of 17.55% during the forecast period (2026-2034).
As per Global Market Insights, the global silicon photonics market was estimated at $1.8 billion in 2025. The market is expected to grow from $2.3 billion in 2026 to $7 billion in 2031 and $17.8 billion by 2035, at a CAGR of 25.3% during the forecast period of 2026–2035.
Strong Clientele
GLW announced a long-term partnership with NVIDIA Corp. (NVDA - Free Report) to expand U.S.-based optical connectivity manufacturing capacity by 10 times and increase domestic fiber production capacity by more than 50%.
GLW upgraded and extended its Springboard plan through 2030 and expects its new Photonics Market-Access Platform to build a $10 billion revenue stream by 2030. It has multiyear agreements with Amazon.com Inc. (AMZN - Free Report) too.
Moreover, in third-quarter 2026, GLW secured four long-term, multibillion-dollar customer agreements including agreements with wireless giants like Verizon Communications Inc. (VZ - Free Report) and AT&T Inc. (T - Free Report) .
Improving Operating Metrics
In third-quarter 2026, GLW’s core gross margin expanded 150 basis points year over year to 40.5%. Core operating margin improved 310 basis points to 22.7%. Core return on invested capital improved 330 basis points to 16.7%, reflecting stronger returns from the company's operating and investment activities.
Corning generated $1.06 billion in operating cash flow during the quarter, compared with $784 million a year earlier. Adjusted free cash flow reached $661 million, up from $535 million in the prior-year period. Adjusted free cash flow reached $2.27 billion during the first nine months of 2026.
Impressive Guidance
For the fourth quarter of 2026, GLW expects core sales between $5.2 billion and $5.3 billion, representing approximately 19% year-over-year growth. Core earnings are projected between 96 cents and $1 per share, implying growth of roughly 36%.
Under its upgraded 20-30-40 Springboard Plan, Corning aims to reach a $30 billion annualized sales run rate by the end of 2028 and $40 billion by the end of 2030. Management expects earnings to grow faster than sales, supported by AI infrastructure expansion, solar investments and long-term customer partnerships.
Solid Estimate Revisions
Corning has an expected revenue and earnings growth rate of 16.3% and 31%, respectively, for the current year. The Zacks Consensus Estimate for the current year’s earnings has improved 0.3% over the last seven days.
GLW has an expected revenue and earnings growth rate of 19.1% and 31.8%, respectively, for the next year. The Zacks Consensus Estimate for next year’s earnings has improved 1.2% over the last seven days.
Image Source: Zacks Investment Research
Huge Price Upside
The short-term average price target of brokerage firms represents an increase of 41.6% from the last closing price of $131.20. The brokerage target price is currently in the range of $129-$238. This indicates a maximum upside of 81.4% and a downside of a mere 1.7%.
Corning entered the fourth quarter of 2026 with its growth outlook tied to AI infrastructure and optical connectivity. Optical and photonics products are in tremendous demand for serving global cloud and AI/machine learning infrastructure.
GLW continues to strengthen its competitive position through innovation across optical connectivity, advanced glass and AI semiconductor applications. All these positives make the company a long-term buy for investors.
View the Zacks #1 Rank List
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Buy Corning on Solid Q3 Earnings, Guidance and AI Photonics Space Rally
Key Takeaways
Corning Inc. (GLW - Free Report) reported third-quarter 2026 core earnings of 91 cents per share, up 36% year over year. The figure surpassed the Zacks Consensus Estimate of 89 cents. Core revenues increased 19% to $5.08 billion and beat the consensus mark of $5.03 billion.
Growth was primarily driven by Optical Communications, where revenues surged 44% amid strong demand for artificial intelligence (AI) infrastructure. Enterprise Networks sales jumped 84%, while generative AI product sales more than doubled.
AI and Optical Communications Momentum
Secular demand for bandwidth, cloud computing and AI infrastructure continues to support GLW’s Optical Communications business. Third-quarter 2026 Optical Communications sales increased 44% year over year to $2.38 billion, while segment net income surged 80% to $532 million.
Enterprise Networks revenues increased 84% to $1.53 billion, supported by accelerating adoption of optical connectivity solutions for AI data centers. Carrier Network sales grew 4% to $854 million, driven by demand for data center interconnect solutions.
The chart below shows the price performance of GLW year to date.
Image Source: Zacks Investment Research
Robust Market Opportunity
Large AI models require millions of graphics processing units (GPUs) working in tandem. As a result, the ecosystem witnesses massive growth in data throughput (as high as 400 Gbps and 800 Gbps). The traditional copper wiring is unable to carry these extremely high-speed data packets properly, as it generates excessive heat slowing down the entire AI compute cluster.
The photonics technology solves this problem transmitting data at the speed of light through a fiber optic network. Photonics enables high-speed, low-latency, and energy-efficient data transfer without overheating.
According to IG Transformation Partners, the global AI Photonics Market was valued at $4.08 billion in 2025 and is projected to reach $17.79 billion by 2034, at a CAGR of 17.55% during the forecast period (2026-2034).
As per Global Market Insights, the global silicon photonics market was estimated at $1.8 billion in 2025. The market is expected to grow from $2.3 billion in 2026 to $7 billion in 2031 and $17.8 billion by 2035, at a CAGR of 25.3% during the forecast period of 2026–2035.
Strong Clientele
GLW announced a long-term partnership with NVIDIA Corp. (NVDA - Free Report) to expand U.S.-based optical connectivity manufacturing capacity by 10 times and increase domestic fiber production capacity by more than 50%.
GLW upgraded and extended its Springboard plan through 2030 and expects its new Photonics Market-Access Platform to build a $10 billion revenue stream by 2030. It has multiyear agreements with Amazon.com Inc. (AMZN - Free Report) too.
Moreover, in third-quarter 2026, GLW secured four long-term, multibillion-dollar customer agreements including agreements with wireless giants like Verizon Communications Inc. (VZ - Free Report) and AT&T Inc. (T - Free Report) .
Improving Operating Metrics
In third-quarter 2026, GLW’s core gross margin expanded 150 basis points year over year to 40.5%. Core operating margin improved 310 basis points to 22.7%. Core return on invested capital improved 330 basis points to 16.7%, reflecting stronger returns from the company's operating and investment activities.
Corning generated $1.06 billion in operating cash flow during the quarter, compared with $784 million a year earlier. Adjusted free cash flow reached $661 million, up from $535 million in the prior-year period. Adjusted free cash flow reached $2.27 billion during the first nine months of 2026.
Impressive Guidance
For the fourth quarter of 2026, GLW expects core sales between $5.2 billion and $5.3 billion, representing approximately 19% year-over-year growth. Core earnings are projected between 96 cents and $1 per share, implying growth of roughly 36%.
Under its upgraded 20-30-40 Springboard Plan, Corning aims to reach a $30 billion annualized sales run rate by the end of 2028 and $40 billion by the end of 2030. Management expects earnings to grow faster than sales, supported by AI infrastructure expansion, solar investments and long-term customer partnerships.
Solid Estimate Revisions
Corning has an expected revenue and earnings growth rate of 16.3% and 31%, respectively, for the current year. The Zacks Consensus Estimate for the current year’s earnings has improved 0.3% over the last seven days.
GLW has an expected revenue and earnings growth rate of 19.1% and 31.8%, respectively, for the next year. The Zacks Consensus Estimate for next year’s earnings has improved 1.2% over the last seven days.
Image Source: Zacks Investment Research
Huge Price Upside
The short-term average price target of brokerage firms represents an increase of 41.6% from the last closing price of $131.20. The brokerage target price is currently in the range of $129-$238. This indicates a maximum upside of 81.4% and a downside of a mere 1.7%.
Image Source: Zacks Investment Research
Investment Thesis
Corning currently carries a Zacks Rank #1 (Strong Buy). You can see the complete list of today’s Zacks #1 Rank stocks here.
Corning entered the fourth quarter of 2026 with its growth outlook tied to AI infrastructure and optical connectivity. Optical and photonics products are in tremendous demand for serving global cloud and AI/machine learning infrastructure.
GLW continues to strengthen its competitive position through innovation across optical connectivity, advanced glass and AI semiconductor applications. All these positives make the company a long-term buy for investors.