Stock Market Today: Dow, S&P 500 and Nasdaq set to decline as Iran says Hormuz is closed; SK Hynix dives in Seoul
Context
Stock Market Today: Dow, S&P 500 and Nasdaq set to decline as Iran says Hormuz is closed; SK Hynix dives in Seoul MarketWatch Dow Jones Futures Fall, Oil Prices Rise Amid New U.S.-Iran Attacks; Nvidia, Micron, Sandisk Near Buy Points Investor's Business Daily Stock market today: Dow, S&P 500, Nasdaq futures slip as US and Iran exchange fire, oil jumps Yahoo Finance U.S.-Iran Escalation; AI-Related Stocks Slide Across Globe WSJ Stock Futures Are Falling, Oil Rising After New Strikes Over Strait of Hormuz Barron's
What it means
Iran formally closing the Strait of Hormuz is a genuine escalation beyond the prior exchange-of-fire headlines — this is a concrete chokepoint action affecting roughly 20% of global seaborne oil, historically associated with sharp crude spikes. The semiconductor selloff (SK Hynix, Micron) and AI-stock slide represent new channels not covered in prior signals, reflecting supply-chain exposure and broad risk-off pressure on growth equities. (Lower-conviction channels were filtered out by our selectivity bar.)
Causal chain
- Exp. moveTimeframeConviction
- Brent crude (BZ)$49.66L1d
Iran formally closes the Strait of Hormuz — a new, concrete action beyond prior exchange-of-fire signals — directly blocking ~20% of seaborne oil flow
✓ correct+9%(abnormal +7.5%)·1 trading day (10 Jul → 13 Jul)·$42.15 → $46.00
How to read a signal
- Severity
- the event's market impact, 1–5
- Direction
- ↑ / ↓ likely price move for the asset
- Exp. move
- the size of the abnormal move we'd expect if the call plays out — not a claim a move will happen:Most flagged events don't move beyond noise; those count against us (see the track record).Ssmall<1%Mmoderate1–5%Llarge>5%
- Timeframe
- the window we measure over:1dshort5dmedium21dlong
- Conviction
- how well-established the directional call is (textbook → speculative) — not a guaranteed outcome:lowaveragestrong
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Sign up free →Not investment advice · for informational purposes only. Generated 13 Jul, 11:50 UTC