Micron Technology's stock surged 7.76% in early trading on January 2, 2026, following strong demand for memory chips, particularly for AI applications and data centers. This rise, coupled with a significant jump in Sandisk shares, indicates investor confidence in the memory chip sector. Both companies experienced substantial gains in 2025, with Micron up 239% and Sandisk up 559%, reflecting the critical role of NAND flash memory and DRAM in supporting AI workloads and the shift from traditional storage.