SK Hynix hits 25-year high on launch of next-gen AI chip HBM4
Shares of SK Hynix surged 7% to a 25-year high after unveiling its advanced HBM4 chip, designed for AI and high-performance computing. The new memory doubles bandwidth with 2,048 I/O terminals and boosts power efficiency by 40%, potentially improving AI service performance by 69%. Strong demand from Nvidia, Apple and hyperscalers fuels optimism.