Wall Street opened lower on Wednesday as renewed U.S.-Iran tensions weighed on sentiment and clouded Middle East peace prospects. The Dow, S&P 500 and Nasdaq declined at the open, signalling a cautious start to the second half of 2026 amid geopolitical uncertainty and its potential impact on global markets and investor risk appetite.

U.S. Stock Futures Higher as U.S.-Iran Return to Peace Talks

Wall Street's main indexes opened higher on Monday as easing tensions in the Middle East lifted sentiment following days of hostilities between the U.S. and Iran.

Dow Jones Today | Nasdaq | S&P 500 Live Updates: US stock futures slipped as geopolitical tensions between the US and Iran dampened sentiment at the start of the second half.…

Wall Street opened lower on Wednesday as renewed U.S.-Iran tensions weighed on sentiment and clouded Middle East peace prospects. The Dow, S&P 500 and Nasdaq declined at the open,…