The investment includes 35.2 trillion won for the Y2 fabrication plant in Yongin, and another 19.1 trillion won for the M17 facility in Cheongju. Investors have rewarded leading suppliers including SK Hynix, Samsung Electronics and Micron Technology with strong stock gains, betting that tight supply conditions will continue for several years. Despite its leadership in HBM technology, SK Hynix faces mounting competition in the broader memory market. "This has prompted SK Hynix to inject fresh capex to expand its footprint. SK Hynix said the investment reflects both the rapid pace of AI adoption and the need to ensure sufficient production capacity for future customer demand.