Check out the companies making the biggest moves in premarket trading: Super Micro Computer — The artificial-intelligence tech firm surged 6% following an the announcement that it began volume shipments of its Nvidia Blackwell Ultra solutions to customers worldwide. Warner Bros. Discovery — The HBO Max owner climbed nearly 8% following Thursday’s 29% gain. CNBC reported Thursday that Paramount Skydance was preparing an offer for Warner Bros. Discovery. RH — The luxury furniture retailer fell roughly 8% in pre-market trading after slashing its annual revenue outlook. The chain is targeting revenue growth between 9% and 11% this year, down from its previous goal of 10% to 13%. Adobe — The software company rose more than 3% after reporting better-than-expected results in its fiscal third quarter. Adobe earned an adjusted $5.31 per share on revenue of $5.99 billion, while analysts had estimated a profit of $5.18 per share on revenue of $5.91 billion, according to LSEG. Baidu — U.S.-listed shares of the Chinese tech company rallied nearly 5% following a report from The Information that Baidu and Alibaba have begun using their own chips to train artificial-intelligence models. U.S.-listed shares of Alibaba were down fractionally. Alaska Air — The airline added 3% on the back of an upgrade to buy from neutral at UBS. Microsoft — Microsoft and OpenAI reached a deal to extend their rela …
