Sources: UK chip designer Graphcore explores a sale to foreign owners in a deal that could be worth $500M+; rumored buyers include OpenAI, SoftBank, and Arm news telegraph.co.uk

Telegraph: Sources: UK chip designer Graphcore explores a sale to foreign owners in a deal that could be worth $500M+; rumored buyers include OpenAI, SoftBank, and Arm  —  Graphcore in talks with major tech companies after struggling to cash in on AI boom  —  The British microchip champion Graphcore …