(Updates with market moves at the end of the day.)
US benchmark equity indexes closed mixed Monday, and oil prices fell as markets evaluated the impact of the latest talks between Washington and Iran.
The Nasdaq Composite dropped 1.3% to 26,166.6, and the S&P 500 fell 0.4% to 7,472.8. The Dow Jones Industrial Average rose 0.3% to 51,712.7.
Among sectors, communication services posted the biggest drop, while real estate paced the gainers.
Brent crude oil fell 2.9% to $78.20 a barrel in late-afternoon trade, while West Texas Intermediate dropped 2.2% to $74.20.
Iran has agreed to admit International Atomic Energy Agency inspectors into the country, news outlets reported, citing US Vice President JD Vance.
"That is a major milestone for the American people, and the first step in permanently denuclearizing or permanently ending a nuclear weapons program in Iran, and that's exactly what we wanted to do," Vance reportedly said.
"Everybody is fully aware that Iran will agree to have major weapons inspections in order to ensure 'nuclear honesty' long into the future," US President Donald Trump said in a social media post.
On the status of the Strait of Hormuz, Vance said the crucial waterway is open, and negotiations with Iran are focused on setting up a "coordination mechanism" for demining and resuming trade, CNN reported.
"Recent developments show that moving towards a more permanent deal will be challenging, with very real risks of a flare-up in hostilities during the 60-day ceasefire," ING Bank said in a report. "For energy markets, the key factor is still whether oil and LNG flows from the Persian Gulf continue to recover, despite all the rhetoric."
US Treasury yields rose in late-afternoon trading, with the two-year rate last seen up 5.1 basis points at 4.23% and the 10-year rate gaining 5.8 basis points to 4.51%.
In company news, Super Micro Computer (SMCI) shares jumped 16%, the top performer on the S&P 500. The AI-server maker is launching a high-performance computing data center offering based on Nvidia's (NVDA) Vera Rubin NVL4 platform.
Space Exploration Technologies (SPCX) fell 16%. The company agreed to grant Reflection AI access to its computing infrastructure for up to $6.3 billion, CNBC reported.
Separately, SpaceX launched its first offering of senior unsecured notes to repay outstanding bridge loan debt and cover general corporate expenses.
Micron Technology (MU) shares rose 6.8%. The company signed an agreement with Anthropic that includes memory and storage supply, while the semiconductor manufacturer announced an investment in the AI chatbot Claude maker.
Gold fell 0.9% to $4,206.80 per troy ounce, while silver dropped 1.4% to $65.89 per ounce.



