SanDisk is trading at $8.51, up 4.67%, as record SK Hynix results and its forecast of memory shortages through 2030 buoyed AI-memory optimism. - Chip stocks rose broadly; memory stocks gained 4.83%. - A market report linked SanDisk’s gain to upbeat SK Hynix results and AI-infrastructure optimism. The move appears sector-driven rather than tied to a new SanDisk-specific announcement. - SanDisk’s Q1 fiscal 2027 results are scheduled for October 29. Trading volume was not provided.