POET Technologies shares sank more than 47% after Marvell Semiconductor canceled all purchase orders linked to Celestial AI. Marvell said the cancellation followed disclosure of confidential information, casting doubt on near-term revenue from that partnership. While POET continues focusing on its optical engine technology and other customer work, investors are watching how quickly it can replace lost orders.
Shankara Buildpro surged after its stellar listing, but the stock later crashed from INR460 to INR2,365 and then tumbled. The decline isn’t just market mood: analysts point to flaws in the business model, repeated strategy shifts, mismatches between reported performance and on-ground conditions, and concerns around corporate governance.
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