Stocks Slip as Iran Talks Stall Ahead of Key Deadline
U.S. stocks moved lower on Tuesday, with investors growing cautious as little progress was seen in negotiations between the U.S. and Iran ahead of President Donald Trump’s deadline to reopen the Strait of Hormuz.
At 14:06 ET (18:06 GMT), the S&P 500 declined 0.3% to 6,591.64, the NASDAQ Composite fell 0.5% to 21,891.33, and the Dow Jones Industrial Average dropped 0.4% to 46,490.98.
Markets Shift to Risk-Off Mode
Market sentiment remained fragile, with investors adopting a defensive stance amid rising geopolitical uncertainty.
Analysts noted that positioning has increasingly tilted toward a “risk-off” environment as tensions intensify and clarity remains limited.
Trump Escalates Pressure on Iran
Despite a strong close on Monday driven by hopes of a ceasefire, sentiment quickly reversed after Iran rejected a peace proposal and rhetoric from Washington escalated.
President Trump reiterated that Iran has until Tuesday evening to reach an agreement or face U.S. military strikes targeting critical infrastructure such as bridges and power plants. He also stressed that any deal must include reopening the Strait of Hormuz.
Binary Outcomes for Markets
Market analysts highlighted the high-stakes nature of the situation, pointing to two possible scenarios: a diplomatic breakthrough that could spark a rally in equities and ease energy prices, or a major escalation that could trigger further market declines.
A third possibility—an extension of the deadline—could prolong uncertainty and keep markets volatile.
Strait of Hormuz Remains Key Flashpoint
The Strait of Hormuz continues to be at the center of the conflict. The vital waterway, which carries around 20% of global oil supply, has been effectively blocked for weeks, fueling concerns over energy disruptions.
Iran has rejected reopening the strait without firm guarantees and warned of broader consequences if tensions escalate further.
Oil Prices Remain Elevated
Oil markets reflected ongoing uncertainty. Brent crude edged down slightly to $109.61 per barrel, while U.S. WTI crude rose 1.4% to $114.02 per barrel.
Despite some intraday pullback, prices remain significantly elevated compared to pre-conflict levels.
Economic Data Reflects Impact of Conflict
Beyond geopolitics, economic data is beginning to show signs of strain. The U.S. services sector expanded at a slower pace in March, while employment declined and inflation pressures increased sharply.
Rising energy prices have been a key driver behind these trends.
Inflation Data in Focus
Investors are now closely watching upcoming U.S. inflation data, particularly the March CPI report. Higher gasoline prices are expected to push headline inflation higher, potentially influencing Federal Reserve policy expectations.
Markets are also monitoring core PCE data, which could provide further insight into underlying inflation trends.
Broadcom and Healthcare Stocks Lead Movers
Among individual stocks, Broadcom gained more than 5% after announcing long-term AI-related agreements with Google, reinforcing its position in the growing artificial intelligence market.
Meanwhile, U.S. healthcare insurers surged after regulators approved higher-than-expected reimbursement rates for 2027. Humana jumped nearly 9%, while UnitedHealth advanced around 11%.






