SK Hynix Surpasses Samsung as South Korea's Most Valuable Company on AI Chip Demand

SK Hynix has overtaken Samsung to become South Korea's most valuable company, driven by a 340 percent share price rally this year fueled by demand for its high-bandwidth memory chips used in AI systems. The chipmaker's dominance in supplying HBM chips to major customers like Nvidia and Google has positioned it as a primary beneficiary of the global AI boom.

Why it matters: This market shift demonstrates how AI infrastructure—particularly specialized memory chips—is reshaping semiconductor industry leadership and valuations.