SK Hynix Inc. posted record quarterly profit and revenue, reflecting strong demand for the memory chips used with Nvidia Corp. processors for artificial intelligence development.The South Korean chipmaker revealed Bloomberg Terminala better-than-projected operating profit of 7.03 trillion won ($5.1 billion) in the September quarter, after revenue almost doubled. And it projected mid- to high-teens growth in demand for DRAM and Nand flash memory chips in 2025, suggesting it expects a sustained re...