Micron quarterly results nearly quadruple on AI boom, HBM demand outstrips supply - digitaltoday.co.kr

Micron's near-quadrupling of quarterly earnings is not a linear extrapolation of AI demand—it is a structural repricing of where the bottleneck sits in the compute stack. The constraint narrative has shifted from GPU availability to HBM stack capacity. TSV and hybrid-bonding processes compete directly with commodity DRAM for wafer starts, making this a structural misallocation, not a cyclical blip. Samsung's continued qualification friction on HBM3E hands Micron and SK Hynix a 12-to-18-month window. Micron, as the sole US-based HBM volume supplier, now wields pricing power amplified by CHIPS Act subsidies and potential strategic stockpile procurement. SK Hynix will likely lock in HBM4 long-term agreements with Nvidia and AMD, while Samsung is forced to pivot capex toward advanced packaging. On compliance, export controls are evolving from outright bans toward quota-based restrictions. Micron's US identity complicates its access to advanced packaging capacity in Taiwan, China, while SK Hynix and Samsung retain a structural edge through their mainland packaging footprints. The real inflection point over the next 12-24 months is the HBM4 ramp. If Micron achieves stable HBM4 shipments by mid-2026, its share could jump from roughly 20% to over 30%, shattering SK Hynix's dominance. Memory is being re-rated from a cyclical commodity to a core AI infrastructure asset—and that revaluation will rewrite capex allocation across the entire semiconductor industry.