On April 20, 2026, the Dow Jones Industrial Average slipped 0.1% to trade just below the flatline as U.S. Stocks gave back some gains from a record-breaking rally, even as oil prices climbed amid renewed tensions between the United States and Iran.
The S&P 500 shed 0.3% and the Nasdaq Composite pulled back 0.4%, marking the second potential decline in 14 trading sessions after two weeks of steady gains. Traders noted the market’s struggle to fully price in a worst-case scenario, given how quickly equities had rebounded from near-correction levels to all-time highs.
Crude prices surged following the weekend seizure of an Iranian-flagged cargo vessel in the Gulf of Oman, with West Texas Intermediate futures rising 5% to above $88 per barrel and Brent crude advancing 5% to above $94 per barrel. The move reflected concerns that Iran might restrict tanker traffic through the Strait of Hormuz, a critical global oil chokepoint.
President Donald Trump confirmed the U.S. Had fired on and seized the ship, stating it was under Treasury sanctions due to prior illegal activity and that the vessel remained in American custody for inspection. He also reiterated threats to destroy Iranian power plants and bridges if Tehran did not agree to U.S. Demands, adding pressure ahead of a looming ceasefire deadline.
The current ceasefire between the two nations is set to expire on Tuesday night at 8 p.m. Eastern time, which corresponds to early Wednesday in Tehran. Despite the flare-up, oil prices remain well below their wartime peak of nearly $119 per barrel, suggesting investors still see room for a diplomatic resolution that could restore energy flows.
For more on this story, see Stock Market Today: Wall Street Slips as Oil Rises Amid Middle East Truce Doubts.
Market analysts pointed to strong corporate earnings as a foundation for continued equity gains. David Wagner, head of equities at Aptus Capital Advisors, told CNBC that the war with Iran is “in the rearview mirror for the market” and that earnings growth supports further upside, dismissing calls for a valuation reset.
Software stocks bucked the broader trend, with the iShares Expanded Tech-Software Sector ETF (IGV) rising 0.6%. Meanwhile, sectors sensitive to fuel costs felt the pressure: Norwegian Cruise Line Holdings dropped 5.1%, Carnival fell 1.4%, United Airlines slipped 2.4%, and American Airlines declined 5% after rejecting a merger proposal with United.
On the gainers’ side, TopBuild jumped 16.4% after QXO announced a roughly $17 billion acquisition deal, which would make the combined entity the continent’s second-largest publicly traded building products distributor. QXO’s own stock fell 8.2% on the news.
This follows our earlier report, Stock Market Today: Oil Prices Rise, Stocks Slip – Live Updates.
Wall Street’s recent strength has been fueled by robust first-quarter 2026 profits and expectations for sustained growth, with the S&P 500 up 4.5% and the Nasdaq up around 7% the prior week. The Nasdaq also marked its 13th consecutive winning session on Friday, matching a streak last seen in 1992.
Why did oil prices rise despite the stock market’s recent strength?
Oil prices increased due to fears that Iran could restrict tanker movement through the Strait of Hormuz following the U.S. Seizure of an Iranian-flagged vessel, even as equities remained supported by strong earnings and expectations for continued growth.
What is the significance of the upcoming ceasefire deadline between the U.S. And Iran?
The ceasefire agreement is set to expire on Tuesday night at 8 p.m. Eastern time, creating a focal point for market anxiety, as its collapse could escalate tensions and further disrupt oil flows from the Persian Gulf.
