Check out some of the companies making the biggest moves midday: Broadcom -- The chipmaker jumped 10% after agreeing with OpenAI to jointly build and deploy custom artificial intelligence accelerators , the first public plan released by the companies, which have been working together for 18 months to expand AI infrastructure. Bloom Energy — The energy stock soared 30% after the maker of hydrogen and natural gas power generators struck a $5 billion partnership with Brookfield Asset Management to install fuel cells in artificial intelligence data centers. Ciena - The software maker jumped more than 4% after BNP Paribas upgraded the stock to outperform from neutral. The investment bank also hiked its price target to $185 from $120, implying 19% upside from Friday's close. Jefferies Financial

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