SK Hynix surpasses Samsung as South Korea's most valuable company - Nikkei Asia

SK Hynix has achieved a historic breakthrough in the Korean semiconductor industry by surpassing Samsung Electronics to become South Korea's most valuable company. This shift reflects the significant ... Read original →

SK Hynix overtaking Samsung in market cap signals a structural shift: AI infrastructure now dictates memory architecture. Its HBM3E/HBM4 chips are deeply integrated into NVIDIA and AMD AI accelerators, spurring demand for silicon interposers, TSV packaging, and advanced substrates—forcing logic chipmakers to redesign memory interfaces. Tightening U.S.-led export controls on lithography tools make ASML EUV access a critical bottleneck, potentially inflating SK’s capex by over 15%. Samsung will likely accelerate HBM line conversions and may acquire Taiwan, China-based OSAT firms to bolster CoWoS alternatives. Within 18 months, HBM will transition from premium option to AI server standard, shifting the global memory industry from volume-driven to tech-density-driven—leaving non-AI-qualified DRAM players at risk of irrelevance.