Insights & Ideas

March Market Review

Written by Clarendon | PRIVATE | Mar 17, 2026 4:01:48 PM

Key Observations

  •  Tensions escalated in the Middle East, culminating with a coordinated military strike on Iran by the U.S. and Israel at the end of February. The humanitarian and geopolitical impact overshadows the immediate near-term market impact. 
  • In February, global equity markets were positive despite the rising geopolitical risks. International equities delivered strong gains, benefiting from the demand for AI related hardware, while U.S. large cap equities slipped on continued concern from AI software disruption.
  • Additionally, the U.S. Supreme Court struck down the broad tariffs the President imposed under IEEPA. Policy uncertainty remains, and the initial market impact was somewhat muted on the announcement.

Operation Epic Fury

On February 28, 2026, U.S. and Israeli forces launched coordinated military strikes on Iran (Operation Epic Fury), targeting nuclear facilities, military infrastructure and senior leadership. Iran’s Supreme Leader, Ali Khamenei, was killed in the initial strikes, triggering the conflict that persists to this day. The situation remains fluid, and military action that results in civilian death and displacement is, of course, a grave humanitarian tragedy. Within financial markets, the impact of these geopolitical events tends to be concentrated in specific markets and economic sectors. In the Middle East, that nexus is energy production and its transit.

The Middle East accounted for approximately 30% of global oil production and 17% of global natural gas production in 2024.[1] Material disruption to these facilities could place upward pressure on headline inflation. We are already seeing the impact on oil prices from the closure of The Strait of Hormuz, a 21-mile passage and one of the world's most critical chokepoints for seaborne energy. In 2024, flows through the Strait accounted for more than one-quarter of total global seaborne oil trade and approximately 20% of global oil and petroleum product consumption.[2] Separately, approximately 20% of global liquid natural gas (“LNG”) trade also transited the Strait in 2024, primarily from Qatar.[3] That flow is not distributed evenly across the globe, but oil is priced globally, and rising prices would affect U.S. producers and consumers alike. 

Market Impact

History shows that while geopolitical shocks cause immediate turbulence, they rarely derail a well-constructed plan. As illustrated below, the market’s "time to bottom" following such events is often swifter than the headlines suggest, with a median recovery time of just 17 trading days. While there are many examples that can be highlighted, we included the market reaction to Russia invading Ukraine in February 2022. 

With limited public appetite for a sustained U.S. military engagement in Iran, and the risk that prolonged conflict could lift headline inflation ahead of an affordability-focused midterm election later this year, we expect either resolution or meaningful de-escalation in the near term. The larger puzzle pieces on the board are connecting the events in Iran with developments in Venezuela, pressure on Cuba and Greenland, and the evolving arc of U.S.-China relations. President Trump and Xi are scheduled to meet in a few weeks to discuss evolving relations. Lastly, our attention domestically remains on the future structure of tariffs, increasing cracks within the labor market, and inflation. 

Market Recap

While so much has changed in the last few weeks, in similar fashion to previous market reviews, we did want to quickly highlight February performance. The month delivered a mix of optimism and unease, as investors grappled with a host of developments throughout the month. Early on, markets took comfort from signs that inflation was cooling, as the January CPI report (released in February) came in lower than expected. That helped keep the conversation alive around eventual rate cuts, even as Federal Reserve communications indicated mixed views on the future path of interest rates. Later in the month, the U.S. Supreme Court ruled the International Emergency Economic Powers Act (IEEPA) does not authorize the President to impose broad based tariffs.


In February, S&P 500 Index fell (-0.8%), pressured by continued anxiety around software disruption from AI. Information technology and financials were among the sectors negatively impacted. While the headlines of 2025 were dominated by a few AI software names, February saw investors favor 'HALO' assets (Hard-Assets with Low Obsolescence) such as utilities, energy, and industrials. This shift plays into the strengths of a well-diversified portfolio, providing stability when high-growth tech valuations face scrutiny. Outside the U.S., returns were notably stronger, with international developed stocks (MSCI EAFE) gaining 4.6% and emerging markets (MSCI EM) returning 5.5%. Part of that strength reflected a market narrative that emerging market exposure to the “hardware side” of AI looked more durable than stretched U.S. software valuations. Additionally, bond markets offered welcome ballast with core fixing income (Bloomberg U.S. Aggregate Bond Index) returning 1.6%, supported by a meaningful rally in Treasuries.

In Conclusion

Given the transitory and regionalized nature we described above, we do believe portfolios are well positioned to navigate near-term volatility. The increase in volatility can be uncomfortable, but we remain focused on the long-term while also carefully tracking the potential impacts of the conflict with Iran. We are always monitoring these events, and should the situation evolve meaningfully, we will follow up with the potential impact.

Sources

[1] Middle East provided approximately 30% of global oil production and 17% of global natural gas production in 2024. Source: IEA, World Energy Investment 2025, Middle East | iea.org/reports/world-energy-investment-2025/middle-east | As of: 2025.

[2] In 2024, oil flow through the Strait averaged 20 million barrels per day, more than one-quarter of total global seaborne oil trade and ~20% of global petroleum liquids consumption. Source: U.S. EIA, "Amid regional conflict, the Strait of Hormuz remains critical oil chokepoint" | eia.gov/todayinenergy/detail.php?id=65504 | As of: June 2025.

[3] In 2024, approximately 20% of global LNG trade transited the Strait, primarily from Qatar (~9.3 Bcf/d) and UAE (~0.7 Bcf/d). Source: U.S. EIA, "About one-fifth of global LNG trade flows through the Strait of Hormuz" | eia.gov/todayinenergy/detail.php?id=65584 | As of: 2025.

Disclosures

The information provided is illustrative and for educational and informational purposes only and does not constitute investment advice and it should not be relied on as such. It should not be considered a solicitation to buy or an offer to sell a security. It does not take into account any investor's particular investment objectives, strategies, tax status or investment horizon. You should consult your attorney or tax advisor.

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