Micron's Q3 earnings monster beat and $50B Q4 guide confirm AI memory supercycle; HBM supply sold out and pricing still surging.
SanDisk's NAND flash is the tightest bottleneck in AI infrastructure — Q2 NAND contract prices up 70-75%, 2026 capacity sold out, and the stock explodes +16% on Micron's memory blowout.