S&P 500, Dow Jones dip as Iran tensions cloud outlook

• Brent crude surged 4.55% to $104.49 per barrel and WTI gained 4.79% to $92.35, lifting the energy sector 2% while weighing on broader market sentiment amid geopolitical uncertainty.
• US business activity fell to an 11-month low in March as higher energy costs pressured input prices, while weak Treasury auction results pushed yields higher and added pressure on equities.
• Private credit concerns emerged as Ares Management and Apollo Global Management limited fund redemptions, and crypto-related stocks fell sharply after lawmakers planned restrictions on stablecoin rewards in the Clarity Act.

Market Summary: US Equities Decline Amid Iran Tensions and Rising Oil Prices

Market Performance:

US stocks retreated on Tuesday, March 24, 2026, as geopolitical tensions and surging oil prices pressured investor sentiment. The S&P 500 fell 0.37% to 6,556.37, the Dow Jones declined 0.18% (down 84.41 points) to 46,124.06, and the Nasdaq dropped 0.84% to 21,761.89.

Key Drivers:

Crude oil prices surged as the Iran conflict entered its fourth week, with Brent crude rising 4.55% to $104.49 per barrel and WTI gaining 4.79% to $92.35. The energy sector was the sole bright spot, climbing 2% and posting monthly gains exceeding 9%.

Geopolitical uncertainty intensified despite diplomatic signals. President Trump indicated negotiations with Iran were underway, though Iranian officials denied direct talks. Israel and Iran continued exchanging strikes, and reports suggested the Pentagon may deploy 3,000 additional troops to the Middle East.

Economic Concerns:

Rising Treasury yields and weak economic data fueled "higher-for-longer" interest rate fears. A poor two-year Treasury auction pushed yields higher, while US business activity fell to an 11-month low in March due to elevated energy costs.

Corporate Developments:

Private credit concerns emerged as Ares Management and Apollo Global Management limited fund redemptions. Crypto-related stocks including Circle and Coinbase faced pressure after reports of planned restrictions on stablecoin rewards in the Clarity Act. Reports indicated Sumitomo Mitsui Financial Group is considering a takeover bid.

Outlook:

Despite volatility, Barclays raised its S&P 500 year-end target to 7,650 from 7,400, citing strong earnings expectations. However, markets remain vulnerable to ongoing geopolitical risks and inflation pressures.