Daily Alpha · X
· Post-Market Alpha · by Buzzberg Research
Specialist threads converged on custom silicon and memory scarcity while portfolio actions turned more defensive as yields and oil rose.
Themes on this desk
ASIC competition is moving inside Nvidia's ecosyst
MediaTek can expand the custom-silicon pie for Nvidia while creating direct share risk for Broadcom and Marvell.
HBM scarcity has two time horizons
HBM4 is consuming more DRAM and substrate capacity now, while CXMT progress raises a later supply and pricing threat.
Macro risk is changing portfolio behavior
Fiscal deterioration, a 10-year yield above 4.75% and higher oil prompted at least one AI-infrastructure investor to raise cash.
Ticker heat
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Top voices by smart followers and alpha score
Market Radar →CXMT HBM3E production impact on DRAM supply
ChangXin Memory Technologies (CXMT) has successfully produced HBM3E, which is expected to divert DRAM wafer capacity toward HBM production, potentially tightening commodity DRAM supply.
Now that CXMT has successfully made HBM3E, a significant portion of its DRAM wafer capacity will likely be diverted toward
Tightening commodity DRAM supply is generally bullish for memory manufacturers like Micron, as it reduces supply-side pressure on pricing.
Watch Monitor DRAM pricing trends and capacity allocation shifts by major memory manufacturers.
Source →US fiscal sustainability concerns
US interest and entitlement obligations have reached 105% of receipts through fiscal Q3 2026, with obligations growing at nearly twice the rate of receipts.
Interest & Interest-like obligations (Entitlements + VA) are 105% of receipts thru F3q26, & growing nearly 2x receipts, &
The structural fiscal imbalance suggests that debt growth may be unsustainable, potentially pressuring long-term Treasury yields and complicating monetary policy.
Watch Monitor US Treasury receipt data and fiscal policy responses to debt growth.
Source →NVIDIA expands ecosystem via MediaTek partnership
NVIDIA is investing $3.5B in MediaTek convertible bonds and integrating MediaTek into the NVLink Fusion ecosystem, positioning custom ASICs as part of its infrastructure rather than GPU substitutes.
- $NVDA invests $3.5B in MediaTek convertible bonds. - MediaTek adopts NVLink Fusion.
This strategy extends NVIDIA's control into networking, HBM, and rack architecture, potentially increasing demand for NVLink and interconnects even as hyperscalers develop custom silicon.
Watch Monitor if MediaTek's custom XPU adoption leads to broader hyperscaler integration of NVIDIA's rack-scale architecture.
Source →Portfolio risk reduction in AI infrastructure
Investor raised cash to 14% by selling PNG.V and SIVE at losses and trimming OUST, citing macro risks from rising yields and oil prices.
So I raised cash to 14% - a move towards higher concentration in the names i 100% believe in.
Reflects tactical de-risking in high-beta AI infrastructure portfolios despite continued long-term bullishness.
Watch Watch for re-deployment of cash during market drawdowns or macro strength confirmation.
Source →Bearish outlook on DRAM/HBM supply due to Chinese competition
The author contends that China's progress in scaling its own DRAM production with HBM, now only one generation away from HBM4, creates a bearish supply outlook for incumbents like SK Hynix and Micron, contrary to bullish market sentiment.
China will scale it's own DRAM production with HBM and they're now only 1 generation away from HBM4, how do
Increased domestic supply from China could pressure global HBM pricing and market share for established memory manufacturers.
Watch Monitor CXMT's HBM development milestones and any impact on global DRAM/HBM pricing trends.
Source →