Market Commentary
For the week ending 3/27/2026
The ongoing war in Iran continued to drive the markets last week, creating pressure from multiple fronts, including higher oil prices, rising Treasury yields, and pronounced weakness in some specific mega-cap stocks.
After a brief period of optimism early in the week, the major U.S. indices all suffered significant declines on Thursday after public rhetoric from Iran took a more hostile tone. The Nasdaq Composite dipped into correction territory, down 10% from its all-time high, and all three major US indices ended the week lower.
On Saturday, March 21st President Trump threatened to attack Iranian power plants and energy facilities if Iran did not open the Strait of Hormuz within 48 hours. Iran threatened to retaliate by striking energy facilities of U.S. allies, if its energy facilities were attacked. Then Monday morning President Trump said that the US had productive talks with Iran and that prompted him to postpone his recently threatened U.S. strikes on Iranian power plants and infrastructure for five more days. Investor’s initial optimism faded as Iranian state media rejected that any direct contact or negotiations had taken place. Meanwhile, the U.S. began sending more troops to the Middle East as Trump continues considering whether to deploy ground troops into Iran. Tuesday evening the U.S. sent Iran a 15-point plan aimed at ending the war. Trump said that Iran gave the U.S. a “present” as a sign of good faith, which was allowing the safe passage of 10 fuel tankers through the Strait of Hormuz. Wednesday morning Iran said that it rejected the U.S. 15-point plan and issued its own ceasefire proposal, demanding for war reparations and sovereignty over the Strait of Hormuz. Thursday morning reports suggested that the Pentagon was preparing a list of military options for a “final blow” to Iran, including a potential invasion of Iran’s Kharg Island crude-export hub, seizing strategic islands near the Strait of Hormuz, or a massive bombing campaign. Then Thursday evening President Trump extended his pause on attacking Iran energy facilities by another 10 days (until April 6th), after repeating that talks with Iran “are going very well.” As hopes of a quick resolution with Iran faded once again, oil prices rose throughout the week, which pushed Treasury yields higher, and inflation concerns to mount.
The war in Iran also featured heavily in discussion at the annual CERAWeek conference for energy industry leaders, where oil executives said the scale of this Middle East supply disruption is the biggest they’ve seen. Chevron’s CEO warned that the Iran conflict has disrupted energy markets more than the Russia-Ukraine War; risks from a Strait of Hormuz closure are not fully priced in, and it will take time to rebuild inventories after Strait of Hormuz reopens as supply chains don’t respond immediately. On the other hand, Kuwait Petroleum’s CEO said it could restore production relatively quickly if the Iran war ended, returning to full output in three to four months.
Private Credit also made some meaningful headlines again this week. Apollo said more investors requested to withdraw funds from its flagship private credit fund than could be allowed, and the fund stuck to its 5% withdrawal cap. This is certainly not the first or the last private credit fund to limit redemptions from its investors. Credit quality was also a concern after rating agency Moody’s downgraded a different private credit fund, FS KKR, to junk status due to concerns about asset quality as its bad loans grow. However, many big firms on Wall Street paint a less dire scenario than the financial press. Goldman Sachs said private credit stress is unlikely to generate large macroeconomic spillovers on its own.
The tech-heavy Nasdaq Composite fell 2.4% on Thursday, just reaching the level of a 10% correction from its October peak. A landmark social media lawsuit verdict against Meta/Facebook and Google/YouTube provided much of the impetus for that slide. A jury found the two companies negligent, as their social media platform designs encourage addiction and target young users. Some warned that the outcome of this case could set a precedent for more lawsuits and safety regulations for social media companies. Additionally, software stocks came under pressure again on renewed concerns of AI disruption, after enhancements to Anthropic’s Claude and reports that AWS has ramped up the deployment of AI agents to automate business functions.
For the week, the S&P dropped -2.1% to 6,369, while the Nasdaq slid -3.2% to 20,948, and the Dow fell -0.9% to 45,167.
Oil rose 1.3% to $99.64/bbl. Gold fell -1.1% to $4,524/oz. and the yield on the Ten-Year Treasury rose to 4.44%.
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