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StocksMediumUpdated×2•Originally published 27 April 2026•Updated 27 April 2026•
1 min read

POET Technologies Shares Plunge 46% as Marvell Cancels Orders

Key Facts

1POET Technologies shares fell more than 46% after Marvell cancelled all purchase orders.
2Marvell cited alleged violations of confidentiality obligations for cancelling orders tied to Celestial AI.

POET Technologies Inc. experienced a historic 46% collapse in its share price, marking the largest single-day drop in the company's history following the cancellation of all purchase orders by Marvell Technology Group. This move effectively terminates what was identified as a key AI partnership, with Marvell citing alleged confidentiality violations involving Celestial AI as the catalyst. The sudden termination has triggered massive selling pressure, reflecting deep investor anxiety over contractual compliance and future revenue reliability. From a technical standpoint, the stock is now testing its 20-day moving average as a critical support level. The loss of a major partner in the high-growth AI sector represents a significant blow to POET's market positioning. Analysts remain cautious as the company faces heightened reputational and operational risks following these developments.