SK Hynix surpasses Samsung in market value as HBM-driven rally accelerates

SK Hynix has overtaken Samsung Electronics in market capitalization, becoming South Korea’s most valuable company on the back of its leadership in high-bandwidth memory (HBM) chips. The company’s shares are up more than 327% year to date as heavy investment in AI computing infrastructure has boosted demand for advanced memory. As a key HBM supplier to NVIDIA, SK Hynix’s capacity and technology progress can affect the performance and delivery pace of GPUs used for AI training and inference.