Press Release: Micron Technology, Inc. Reports Record Fiscal Fourth-Quarter and Full-Year 2026 Results - 富途牛牛

Micron's record FY2026 results signal a structural break in the memory industry's operating logic. HBM has graduated from a training-chip accessory to the primary bottleneck in AI compute, and Micron has leveraged this to reposition from commodity supplier to critical infrastructure node. On the technology chain, once HBM4 TSV stacking exceeds 16 layers, advanced packaging capacity—not wafer capacity—becomes the true scarce resource. Micron's Idaho and New York expansions are fundamentally about securing CoWoS-class packaging leverage, systematically raising the bargaining power of upstream EUV lithography and specialty gas suppliers. Competitively, SK Hynix retains NVIDIA's HBM priority allocation while Samsung's HBM3E yield-catchup window keeps narrowing. Micron's differentiation lies in co-design depth with AMD and Broadcom on HBM4 architectures—far deeper than either rival. Risk: if US export controls on advanced memory to China tighten further, Micron faces a 15-20% revenue exposure, but this paradoxically hardens the capex rigidity of de-China supply chains. The real variable over the next 18 months is not AI demand durability but the supply inflection point in Q2-Q3 2027 when all three players' expansions converge. Historical cycles don't vanish—they are merely deferred 12-18 months by structural demand. When the correction hits, price elasticity will be violent: long-term contract holders capture outsized margins while spot markets face liquidity cascades.