SK hynix posted its highest-ever research and development spending last year, approaching the 7 trillion won ($4.66 billion) mark as the company accelerates investment in next-generation artificial intelligence memory technologies. According to an audit report disclosed through the Financial Supervisory Service’s electronic disclosure system on Sunday, SK hynix spent a total of 6.73 trillion won on R&D in 2025. The figure marks a sharp increase of 35.9 percent from the 4.95 trillion won spent a