OpenAI and the chipmaker AMD announced on Monday that they had signed a multibillion-dollar chip deal that would also give the ChatGPT creator the option to buy a large stake in the chipmaker.The deal offers OpenAI an opportunity to buy 10% in AMD and marks a major vote of confidence in the company’s AI chips and software. Shares of AMD surged more than 30% and added about $80bn to its market capitalization after the announcement.“We view this deal as certainly transformative, not just for AMD, but for the ...