SasoEquity
AI & Robotics Investor
Prepaid fiber orders make 2027-28 demand a stronger signal than capex plans. Corning reports $639M in net customer deposits in the first nine months and expects data-center interconnect to beat its former $1B-by-2030 target on timing and size. That backs Lumen's intercity build, though its next allocation may require a bigger commitment. Tight Corning supply gives Amphenol room to gain share until capacity expands; strong demand alone has not lifted stocks across the chain. x.comÂ
Fiber is the next layer of the AI infrastructure trade to re-rate, after GPUs, power and cooling, and networking were each priced in 6-12 months after the layer above. Data-center fiber demand grew 76% in 2025 and will be 30% of global demand by 2027, from under 5% in 2024, yet the companies pulling cable and powering those networks, such as Lumen, Clearfield, Crexendo, Belden, Nokia and Corning, haven't re-rated. Harmonic, the platform layer for fiber and cable networks, trades like it's 2024. x.comÂ
Corning now has long-term fiber deals with both Verizon and AT&T, supplying both broadband expansion and links between AI data centers. AT&T announced a multiyear fiber and cable deal exceeding $3B focused on home and business broadband, following Verizon's multibillion-dollar deal for over 80 million fiber miles from 2027 to 2032, including long-haul AI data center links. These deals could improve demand visibility; watch shipment ramps and profit growth versus expansion costs. x.comÂ
Fiber and connectors account for almost 30% of co-packaged optics costs, enlarging Corning's opportunity in optical scale-up. Fiber and InP lasers are the bottlenecks in this reading of CPO; @carrioresearch reports that Corning supplied high-density arrays and connectors for Lightmatter's OCP trays. x.comÂ
Corning's $2B at-the-market facility with Goldman Sachs is an option to sell stock, not a raise, so Friday's after-hours drop priced dilution that may never happen. The 8-K says sales may be limited, depend on market conditions and capital needs, and fund general corporate purposes with no named project. Notably, Corning arranged it while its new revenue stream has not started; its CEO said scale-up and photonics are not yet in results. The next 10-Q will show whether the share count moves. … Show more
Optical suppliers face demand beyond capacity, strengthening the sector's case for the coming months. Lumentum's CEO says it is effectively sold out through early 2029; Ciena says lead times limit growth, and Coherent cites constraints across nearly every product line. Applied Optoelectronics doubled its share count to expand capacity and meet demand. Soitec raised guidance twice this year; Marvell raised guidance and its 2030 TAM, while Broadcom sees 4x EPS by 2030 on visible demand. x.comÂ
Corning remains a long-term AI infrastructure winner even after Morgan Stanley's cooling note, as demand for fiber, optical materials and future glass substrates keeps growing. Per Morgan Stanley, the roughly 40% one-month rally outran fundamentals, driven by Fujikura's raised outlook, the GlassBridge fiber-to-chip platform, Nvidia long-haul fiber rumors and short covering, and high Q2 expectations could add volatility. GlassBridge gives Corning more room in next-generation optical links. x.comÂ
Corning is a structural loser from orbital AI data centers, because compute migrating from fiber-intensive terrestrial data centers to zero-fiber orbital ones reduces fiber demand. In vacuum, satellites link by free-space lasers rather than fiber, so Corning's hyperscale data center fiber business faces a long-term headwind. It is not a short, since 5G and fiber-to-the-home provide other drivers, but the exponential AI-fiber narrative weakens materially. x.comÂ
Customer prepayments of about $3.2B for Amkor's capacity exceed its roughly $2.5B planned capex this year, funding the buildout ahead of delivery. Buy, with a $48 target. x.comÂ
Lumentum is the only volume supplier of EML lasers for 1.6T optics, capacity is sold out, and indium phosphide fabs do not scale overnight. Qualcomm and Corning partnered with it on 1,060nm VCSEL chip-to-chip links targeting about 10 Tb/s. Revenue grew 109% and it trades at 30.6x forward earnings with $1.07B of net cash; a one-time $7.8B non-cash convert charge hid profitable operations. Risks are convert dilution and Coherent and Broadcom adding InP lasers before the shortage eases. x.comÂ
Photonics stocks such as Coherent, Lumentum, Corning, Applied Optoelectronics and Ciena are priced on unknown future demand rather than current results. Lumentum's revenue has been flat, yet projections for the year ending June 2029 call for $12.8 billion, over 4x this year's $2.96 billion. That is great if true, but a lot can happen before then, especially any disruption to the data-center buildout boom. x.comÂ
Corning is shifting from a specialty glass company to the physical backbone of AI infrastructure under contract to NVIDIA. NVIDIA's long-term partnership requires Corning to expand US optical connectivity capacity 10x and US fiber output by over 50%, a demand commitment feeding the co-packaged optics shift Goldman projects reaching $91B by 2028. NVIDIA also took warrants for 15 million shares at $180 plus 3 million pre-funded, signaling it expects Corning to become materially more valuable. … Show more
