🇺🇸 US Markets Crashed — June 23, 2026

Analysis by deepseek-chat

Nasdaq Futures: -2.1% | S&P 500: -1.04% | Dow Futures: -0.7%

4 Reasons Why

1. KOSPI Contagion

KOSPI circuit breaker triggered at -10%. Samsung & SK Hynix -12% each (half the index's market cap). Spilled into US semis premarket.

2. Fed Rate Hike Fears

Fed Chair Kevin Warsh hawkish. 90% probability of Sep rate hike. Dollar at 1-yr high (101.13). 2Y Treasury at 4.236% (16-mth high).

3. AI Infrastructure Fatigue

SoftBank -15%, Kioxia -10%, ASML -4%, Infineon -3.4%. Markets questioning AI capex returns.

4. Global Risk-Off

KOSPI -10% â›” | Nikkei -3.55% | Stoxx 600 -1% | DAX -1.2% | Hang Seng -1.7%

Portfolio Impact

  • 🔴 AMD, SMH, GOOGL, PLTR — directly in the line of fire
  • 🟡 VOO, LMT, TSLA — relatively insulated
  • ✅ Key Catalyst: Micron earnings Wednesday — can reverse or extend the rout

Sources: Morningstar/DJ, CNBC, Schwab, Trading Economics. Model: DeepSeek Chat.