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US Stock Market Rises Amid US-Iran Talks Breakdown and Oil Price Fluctuations
The S&P 500 advanced on Monday, marking its eighth gain in nine sessions, despite a spike in oil prices following the breakdown in US-Iran peace talks. President Donald Trump ordered a blockade of Iranian ports, but later reported a call from Iranian officials seeking a deal, which contributed to a decline in oil prices. Technology stocks led gains, while defensive sectors declined.
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The US stock market showed resilience on Monday, April 13, 2026, as the S&P 500 rose despite external pressures from geopolitical developments. The index added to its recent gains, positioning it for an eighth advance in the past nine trading sessions. This performance occurred amid a spike in oil prices and rising Treasury yields.
WTI crude oil reached a high of $105 per barrel earlier in the day after talks between the US and Iran failed to produce an immediate agreement. m. However, optimism persisted for a potential deal before further escalation.
Following the announcement, the S&P 500 continued to climb, and WTI crude briefly fell below $100 per barrel. President Donald Trump stated to reporters that Iranian officials had called that morning expressing interest in reaching a deal. This update contributed to the market's reversal in oil prices during the session.
The S&P Oscillator, a technical indicator, returned to overbought territory after Friday's session, one month after the S&P 500 entered oversold territory on March 10. 48 on that date and currently trades around 6,850. Over this period, the index remained little changed, highlighting opportunities when the oscillator enters deeper oversold levels.
led sector gains for much of Monday but shifted after the update on Iran.
Financial stocks ranked near the top despite a sell-off in Goldman Sachs following its earnings report. Technology emerged as the strongest sector, driven by gains in AI-related stocks and a rebound in enterprise software after recent declines tied to AI disruption concerns.
Stocks such as CrowdStrike, Salesforce, Palo Alto Networks, and Microsoft each rose by at least 2%, though all remain down more than 10% year to date.
