On June 30, Celestica rose 5.02% in regular trading, trading at $360.48/share, with turnover of $311 million. The rally was driven by the company's confirmed role as the core hardware integration partner in OpenAI's custom AI chip initiative.

On the news front, OpenAI and Broadcom jointly unveiled their first custom AI inference chip, Jalapeno, an ASIC designed specifically for large language model inference workloads. Celestica was named as the key partner responsible for board-level assembly, rack integration, and scalable production systems for the chip platform. The Jalapeno chip reportedly achieves approximately 50% cost savings compared to traditional GPUs and is slated for deployment in gigawatt-scale data centers by late this year.

This contract win adds to a series of recent catalysts for Celestica, including its strategic partnership with AMD to co-develop the Helios rack-scale AI platform — where Celestica handles expansion network switch design and manufacturing — and the commercial availability of its DS6000-series 1.6TbE switches. These developments collectively reinforce the company's positioning as a critical infrastructure enabler in the AI data center supply chain.

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