Corning is the wrong instrument for glass substrates, the material set to replace organic substrates in AI chip packaging. Corning, AGC and Schott control about 90% of semiconductor-grade glass, and Corning works with TSMC with CHIPS Act funding. But substrates are a small part of a conglomerate whose growth comes mainly from AI optical fiber, trading at 90x earnings. The option value materializes in 2027-28; 2026 is for qualification, with yields at 75-85% and costs 2-3x organic. x.com 

Corning has an entrenched moat and remains a decent business, but holding off on buying it has been vindicated by the stock's recent drop. Unlike hot AI stocks whose position in five years is uncertain, it is not going anywhere. @EricJhonsa notes that at 32x 2027 EPS, with estimates likely too low, it is no longer crazy but not cheap, with smartphones and TVs his main concerns. x.com  x.com 

Corning's optical connectivity business is set to grow after Nvidia pushed it to expand that manufacturing capacity tenfold, while funds flow back into beaten-down quality names. Per @Venu_7_, optical sales rose 32% to $2.07 billion, EPS is expected to more than triple by 2028, and AI deals with Nvidia, Meta and Amazon back it. The chart retested its 200-day average with an Adam-and-Eve bottom and is breaking a small downtrend line. x.com 

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

Photonics stocks look like a crowded rotation rather than a better bet than memory. Photonics has a smaller addressable market than memory and moves with it anyway. Buyers are driven by recency bias after Applied Optoelectronics' 90% recovery, traders liquidated in memory seeking higher-risk bets, and smaller companies with higher multiples. @therogueoracle adds that these stocks had massive runs and have not pulled back nearly enough, so they are more likely to chop sideways and down. x.com  … Show more

Corning will reclaim its all-time highs and keep climbing because it is the undisputed global leader in optical fiber, with over 50% share in some of the most complex fiber products. Institutional investors are comfortable backing it, as with Ciena, since the company, founded in 1851, and CEO Wendell Weeks are well known. Generative AI interconnects, solar and extensive US manufacturing support a steady, unflashy grind higher through 2026. x.com 

Broadcom's photonics exposure is getting too little market attention, supporting a bullish view of the stock. x.com 

Corning's earnings were unexciting compared with its Chinese counterparts, and the stock could fall toward $130 if next week's investor day brings nothing big. Corning traditionally guides conservatively, so the event could still be a positive catalyst. @Gaetano2026 notes two new hyperscaler deals similar in size to Meta's and robust solar and optical demand, with some solar drag in Q2. x.com  x.com 

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.com 

Corning's rally looks less like a bubble than a scam at a forward P/E of 185, after the stock rose more than 600% from its December 2022 lows, as @Venu_7_ noted. Back in 2000, Corning collapsed from $110 to $1.10, a 99% loss within two years. x.com  x.com