US stocks retreat as oil jumps on Hormuz pessimism
Measured from 11 Aug 2026 (event start)
No validated historical precedent exists for this event yet. See below for what the system found and why it did not meet the validation bar.
What Happened
US equities declined across all three major indices on August 11 as oil prices surged 5%. The Nasdaq and S&P 500 closed lower with specific weakness in Intel and chipmakers. The reversal reflects sudden repricing of Hormuz deal expectations that had been supporting equity valuations. Investors shifted from pricing in de-escalation to pricing in prolonged conflict.
How This Reaches Markets
Higher crude prices raise inflation expectations. Inflation concerns push bond yields higher, weakening equity multiples. Chipmakers particularly vulnerable as elevated energy costs compress margins. Growth-stock valuations compress as real rates rise.
Companies Involved
Announced large share sale on same trading day; fell amid broader chip weakness and inflation fears from energy prices.
Multi-day equity decline after Hormuz deal expectations collapse; signals regime shift from de-escalation to extended conflict pricing.
August 11, 2026 close; this marks the first full trading session after the deal collapse signal.
Market reaction occurred August 11 (Monday) in response to weekend developments (Trump's reparations demand and Iranian military reshuffling on August 10). This is the real-time repricing of previously bullish assumptions.
Read how dates work →This event is too recent. The analysis below is what actually happened in comparable historical events. This report deepens automatically as market data accumulates.
No Validated Precedents
The system researched historical parallels for this event and measured each one against market data. None survived validation. A precedent is only used when its own measurement holds up, so this report carries no historical comparison.
How precedents are validatedHow To Read This
Each sector below is a basket of named stocks. The percentage shown is the move beyond the overall market (S&P 500) , what event studies call the . A move only counts as when it sits clearly outside that basket's normal weekly swings.
Breaking event. The market reaction has not happened yet and cannot be measured. The precedents below were researched for this event, measured from real market data, and validated against a statistical significance bar. This analysis deepens as market data accumulates.
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