SK Hynix has risen to claim the title of South Korea's most valuable company, a testament to its visionary 14-year investment in high-bandwidth memory (HBM) chips. Initially viewed with doubt, this strategic pivot to a niche segment, particularly serving Nvidia's AI accelerators, has firmly established SK Hynix as a leader within the booming global AI landscape, outpacing competitor Samsung Electronics.

SK Hynix is the dominant supplier of HBM chips used in AI systems for customers such as Nvidia and Google. Read more at straitstimes.com. Read more at straitstimes.com.

SK Hynix shares have risen more than 340 per cent in 2026 alone, outperforming Samsung’s 200 per cent jump. Read more at straitstimes.com. Read more at straitstimes.com.

SK Hynix has surged past Samsung Electronics to become South Korea's most valuable company, driven by its dominance in high-bandwidth memory (HBM) chips crucial for AI systems.…

AI boom mints a new market cap leader for first time in 26 years