Poet Shares drop 50% after the company disclosed the cancellation of all purchase orders from Celestial Al, now owned by Marvell Semiconductor Inc.
Investing.com — POET Technologies Inc. (NASDAQ:POET) shares fell 20% Monday after the company disclosed the cancellation of all purchase orders from Celestial AI, now owned by Marvell Semiconductor Inc. Marvell provided written notice on April 23, 2026, canceling all purchase …