** Shares of U.S.-listed companies tied to artificial intelligence and semiconductors mixed in premarket trade after AMD AMD.O announced a major chip-supply deal with OpenAI, which sent its stock sharply higher
** AMD up 36%
** Agreement includes OpenAI's option to buy up to 10% of AMD through warrants, raising concerns about future demand for rival chipmakers like Nvidia NVDA.O and Broadcom AVGO.O which were down between 1.5%-2%
** Other AI-linked stocks edged higher as investors reassessed leadership in the race to power next-generation artificial intelligence infrastructure
** Shares of AI-linked firms rose in premarket trade, with Palantir Technologies PLTR.O up 2.5%, Salesforce CRM.N gaining 1.7%, Oracle ORCL.N rising 2.7%, and Snowflake SNOW.N up 1.5%
** U.S.-listed shares of Taiwan Semiconductor Manufacturing and Arm Holdings ARM.O up 2.4%
** AI server maker Super Micro Computer SMCI.O up almost 3%
** Marvell Technology MRVL.O up 2.4%, Qualcomm QCOM.O marginally up, Applied Materials AMAT.O up 2.8%
** Philadelphia SE Semiconductor index .SOX, which touched a record high last week, has risen more than 30% this year
(Reporting by Rashika Singh in Bengaluru)
((Rashika.Singh@thomsonreuters.com;))