S&P 500 Correction Widens on Iran Oil Shock
S&P 500 correction deepens as the Iran conflict lifts oil prices and clouds the Federal Reserve outlook, pressuring valuations and positioning.
KEY TAKEAWAYS
- S&P 500 had fallen 7.7% since Feb. 28 amid the Iran conflict.
- U.S. crude had settled at $102.88 a barrel, up 3.3% and more than 70% YTD.
- Fed had left rates at 3.50%-3.75% with markets pricing no 2026 cuts and 30% year-end hike odds.
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The S&P 500 correction deepened on March 30 as the Iran conflict persisted and energy prices climbed, pressuring U.S. stocks and complicating the Federal Reserve outlook for investors weighing inflation and interest-rate risks.
Stocks’ Decline Accelerates Amid Geopolitical Tensions
Since the Iran conflict began on February 28, 2026, the S&P 500 has fallen 7.7%, marking its fifth consecutive weekly loss and slipping 2.1% in the week ended March 29. The index now trades roughly 9% below its January peak and about 17% cheaper on a forward price-to-earnings basis than before the conflict. This revaluation has left investors debating whether the pullback reflects a temporary geopolitical shock or a more lasting reassessment of growth prospects and risk premiums.
Rising Oil Prices Add Inflation Pressure and Cloud Fed Outlook
U.S. crude settled at $102.88 a barrel on March 30, rising 3.3% that day and more than 70% year-to-date, with some reports placing prices closer to $115 a barrel. This surge has pushed oil prices to the center of market concern. Inflation data show February consumer prices up 2.4% year-over-year and core CPI at 2.5%, while January personal consumption expenditures (PCE) inflation registered 2.8% overall and 3.1% on a core basis. The energy shock risks pushing these readings higher.
The Federal Reserve left its target range for the federal-funds rate unchanged at 3.50%–3.75% at its March 18 meeting. Markets currently price no rate cuts for 2026 and assign roughly a 30% probability of a hike by year-end. Some strategists say the correction could be nearing its end if the economy avoids recession and the Fed refrains from further tightening.
