SK hynix Shares Jump After HBF Standard Reveal and New 4D NAND Unveiling
SK hynix rallied in pre-market trading after detailing a new High Bandwidth Flash (HBF) standard with SanDisk at FMS 2026 and disclosing its tenth-generation V10 375-layer 4D NAND. The announcement, which positions HBF between HBM and SSDs for AI inference workloads, plus upbeat analyst initiations and a firmer macro backdrop, drove a notable pre-o…