Group 1: Micron Technology - Micron is a leader in the DRAM market and also participates in the NAND market, benefiting from the current memory market surge [2][4] - The company, along with Samsung and SK Hynix, dominates the DRAM industry, with high-bandwidth memory (HBM) becoming essential for AI infrastructure [3] - HBM's complex manufacturing process is leading to a DRAM shortage, significantly increasing prices and resulting in a 59% revenue surge and gross margin expansion from 38.4% to 56% [4] - Micron is increasing capital expenditures to boost capacity, with tight HBM and DRAM supply expected to continue benefiting the company [5] Group 2: Sandisk - Sandisk is positioned as a pure play in the NAND market, which is experiencing supply shortages driven by AI infrastructure demand [7] - The NAND market previously faced price declines, prompting a shift to DRAM production, but now there is a significant supply shortage for flash memory [9] - Sandisk's revenue increased by 76% last quarter, with gross margin rising from 32.3% to 50.9%, indicating strong performance amid the ongoing flash memory supercycle [10]