π Published: March 21, 2026 | For informational purposes only β not financial advice.
π Key Takeaways
- Despite escalating U.S.βIran tensions in early 2026, markets showed surprisingly muted reactions
- Historians call this “geopolitical fatigue” β war news loses shock value over time
- The AI investment supercycle is acting as a structural support for equity prices
- But: Nasdaq still fell -10.4% β geopolitical risk is real, just repriced differently
β Wars and Stock Markets: What History Shows
Contrary to popular belief, stock markets often rally during or shortly after geopolitical crises. The reason: markets price in the worst-case scenario quickly, then rebound as uncertainty fades.
| Event | Initial Drop | 12-Mo Return | Recovery |
|---|---|---|---|
| Pearl Harbor (Dec 1941) | -6.5% | +15% | Fast |
| Cuban Missile Crisis (1962) | -7% | +34% | Fast |
| 9/11 Terror Attacks (2001) | -11.6% | -12% (dot-com) | Slow (other factors) |
| Iraq War (Mar 2003) | -2% | +31% | Very fast |
| RussiaβUkraine War (Feb 2022) | -3% | -11% (Fed hike dominant) | Moderate |
| US-Iran Escalation (Mar 2026) | -10.4% (Nasdaq) | ? (Ongoing) | TBD |
π Source: LPL Research, “Geopolitical Events and Stock Markets” (2024); Dow Jones Historical Data
β‘ The AI Supercycle: Why Markets Are Still Resilient
One major reason markets have absorbed geopolitical shocks better in 2025β2026: the AI investment supercycle.
π AI Capital Expenditure (2025β2026)
- Microsoft: $80B planned capex in AI/data centers (FY2025)
- Google (Alphabet): $75B planned capex (2025 guidance)
- Amazon AWS: $100B+ multi-year AI infrastructure plan
- Meta: $60β65B capex for AI infrastructure (2025)
π Source: Company earnings calls, Bloomberg (Q4 2024 β Q1 2025)
β’ What This Means for Investors in 2026
π’ Structural Bull Case
AI-driven capex creates sustained corporate earnings growth. Historically, markets with structural technology tailwinds recover faster from geopolitical shocks. (Source: Goldman Sachs, Morgan Stanley 2026 Outlook)
β οΈ Key Risk: Oil Price Escalation
If Strait of Hormuz is disrupted (20% of global oil supply), oil could spike to $130β$180/barrel β triggering stagflation and potentially a bear market. This is the tail risk to monitor closely.
β οΈ Disclaimer: This article is for educational purposes only. It does not constitute financial or investment advice. Past performance is not indicative of future results.
π Sources
- LPL Research β “Geopolitical Events and Stock Markets” (2024)
- Goldman Sachs β “2026 U.S. Equity Outlook” (Nov 2025)
- Bloomberg β “Big Tech AI Capex Tracker” (Q1 2025)
- Morgan Stanley β “AI Infrastructure Investment Trends” (2025)