Market Context — Update (v142)
Macro/yields: unchanged, still the dominant risk. No new data on 10Y; keep 5.35% as the key tell for the stagflation thesis. Fed's AI/tariffs/energy inflation framing still stands — nothing today alters this.
Oil: confirmation, not new news. Additional CNBC reporting reconfirms Iran's escalating tanker attacks in Hormuz threatening the crude export recovery — this is the same signal as before, now corroborated by a second source. Treat as confirmed: Mideast supply risk is elevated and volatile, not healing. $100+ Brent sticky view holds.
AI/semis: Marvell strength confirmed, concentration risk now explicitly flagged. Marvell shares popped ~7% on investor-day targets ($20B FY28 rev, $70-90B FY31) — this is confirmatory follow-through of the custom-silicon broadening theme, not new information. The new wrinkle: a specific warning that S&P concentration (top 10 = ~40% of index) is historically a pre-correction pattern. This directly sharpens the unresolved breadth concern from before — no longer just "44% of Nasdaq100 above 50-day" vagueness, but a named, quantified concentration risk tied to market-structure fragility. Treat index highs as narrow and fragile, not broad confirmation of health. Micron's memory-pricing crack remains the key bearish counterpoint within semis — watch for continuation or reversal.
Net read: Stagflation (yields + confirmed Hormuz escalation) remains the top-down driver. AI capex broadening (Marvell/Nvidia/AMD) is real but increasingly concentrated — the S&P's record-high push is now explicitly flagged as narrow, concentration-risk-laden, not genuinely broad-based. Micron is still the one name showing real cracks in semis consensus. Don't read index highs as market health; watch breadth deterioration as the next confirming/disconfirming signal alongside 10Y and oil headlines.
Watch list unchanged + added: 10Y vs 5.35%, Hormuz tanker headlines, Micron price action, Nasdaq/S&P breadth and concentration metrics (top-10 weighting).