Wall Street Reacts to Failed U.S.-Iran Talks Amid Inflation Concerns

On April 13, 2026, Wall Street's main indexes exhibited mixed performance as investors reacted to the fallout from failed U.S.-Iran peace talks. The situation escalated with President Donald Trump intensifying threats against Iran following a U.S. military blockade affecting all maritime traffic to and from Iranian ports. This geopolitical tension coincided with a surge in Brent crude oil prices, which surpassed $100 a barrel, reigniting inflation concerns among investors.

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Despite the geopolitical turmoil, analysts noted that investors were considering a broader range of factors beyond just the U.S.-Iran conflict. Morgan Stanley analysts emphasized the resilience of the global economy, suggesting it could manage supply bottlenecks effectively. As of mid-morning trading, the Dow Jones Industrial Average fell by 255.39 points (0.53%), while the S&P 500 remained flat. In contrast, the Nasdaq Composite rose by 64.35 points (0.28%), buoyed by a significant increase in shares of Allogene Therapeutics, which surged 25.74% following promising interim data from a mid-stage study on its blood cancer therapy.

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Energy stocks showed a positive trend, with Chevron, Exxon Mobil, and ConocoPhillips rising by 1.59%, 1.09%, and 1.3%, respectively, contributing to a 1.08% increase in the energy sector. Conversely, travel-related stocks faced declines, with Delta Air Lines and Southwest Airlines dropping by 2.81% and 2.77%, respectively, due to concerns that rising oil prices would elevate fuel costs. Additionally, Fastenal's shares fell by 7.38% after disappointing earnings, while Sandisk's stock rose by 5.87% as it prepared to join the Nasdaq-100 index on April 20.

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Peter Cardillo, chief market economist at Spartan Capital Securities, highlighted that market volatility linked to the U.S.-Iran conflict could lead to prolonged economic stagnation and inflationary pressures. Goldman Sachs CEO David Solomon noted that while the conflict had impacted initial public offering (IPO) activity, the overall market environment remained robust, with expectations for a rebound once conditions stabilize.

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Some analysts expressed skepticism about the market's ability to remain insulated from geopolitical tensions. Concerns were raised regarding the potential for sustained inflation and its impact on economic activity, which could necessitate a prolonged pause in Federal Reserve interest rate adjustments.

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Data indicated a decline in U.S. existing home sales to a nine-month low in March, attributed to tight inventory and labor market concerns. However, the implications of this data on broader economic trends remain unclear, with differing opinions on the potential for recovery in the housing market.

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“And it's all because of prospects of higher inflation, weaker economic activity and a Fed that may be forced to stay on hold for a long, long time," said Peter Cardillo, chief market economist at Spartan Capital Securities.” — Peter Cardillo, Chief Market Economist, Spartan Capital Securities

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“Goldman CEO David Solomon said market volatility stemming from the conflict had tempered IPO execution, but the environment remains robust and activity will rebound once conditions stabilize.” — David Solomon, CEO, Goldman Sachs

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