On June 29, Corning rose 3.87% overnight, trading at $228.27/share, with turnover of $1.1664 million.

On the news front, Corning officially launched its next-generation glass optical interconnect component on June 28, along with a detailed technical explanation of how its Glass Bridge product operates. The Glass Bridge component is designed specifically for co-packaged optics (CPO) and glass-substrate semiconductor packaging architectures, using waveguides within glass to directly connect photonic integrated circuits (PICs) with optical fibers, addressing a significant size mismatch between the two, with target coupling loss below 2dB.

Corning has previously signed multi-billion-dollar long-term supply agreements with hyperscale cloud providers including Meta, NVIDIA, and Amazon. The market views this development as evidence that the value center of next-generation AI optical interconnect is shifting from midstream optical components and modules toward specialty glass materials, continuing to support the company's valuation outlook. This overnight gain follows a period of volatility that saw the stock surge nearly 10% on June 25 before experiencing profit-taking in subsequent sessions.

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