Tiger 123
09-09

The biggest change overnight is a sharper split between AI fundamentals and the broader market. The S&P 500 fell 0.58%, Dow 1.18% and Nasdaq 0.32% as Brent approached US$100 and Treasury yields stayed near 4.8%. Yet semiconductor names tied to custom AI infrastructure held up better, helped by a major new Amazon–Qualcomm agreement.

Micron is already shipping HBM4 in volume for Nvidia Vera Rubin, delivering >2.8 TB/s bandwidth and >20% greater power efficiency than HBM3E. SK hynix meanwhile approved about ₩54T of new fab investment specifically to address growing AI-memory demand. HBM remains the strongest fundamental layer, but after recent sharp memory rallies coupled with imminent interest rate increases, better entry points key rather than Supercycle over. 

CXMT DRAM Breakthrough Hammers Memory and Optical Stocks — Panic or Repricing?
AI hardware sold off hard Monday: SanDisk -5.97%, Lumentum -9.78%, Micron -3.88%, SK Hynix -4.02%. Trigger: CXMT's president announced a 4F² DRAM architecture breakthrough at a weekend conference, targeting server memory by end-2026 — reviving fears of Chinese competition on pricing. Broadcom CEO Hock Tan warned capital, not chips, is now AI's primary bottleneck. Bulls say CXMT still faces major yield hurdles before any volume ramp; bears say once markets price in Chinese DRAM competition, fundamentals can't stop the re-rating. Has this changed your conviction in memory stocks?
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Comments

  • IrmaBurke
    09-09
    IrmaBurke
    That HBM4 jump matters more for inference than people think — Rubin class systems get more headroom on memory-bound loads, but the real bottleneck may shift to packaging and qualified supply.
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