SEOUL :South Korea's SK Hynix on Thursday posted a record quarterly profit as the Nvidia supplier booked strong sales of its advanced chips, and said demand for high-bandwidth memory (HBM) chips would continue to outpace supply next year. The company played down market concerns about an oversupply of the chips used in generative AI chipsets, saying production of higher-margin HBM chips was limited due to technological challenges, while demand was proving stronger than expected. "We believe that