Wall Street opened marginally higher, supported by continued momentum in artificial intelligence and semiconductor stocks. Investor sentiment remained cautiously positive amid signs of progress in U.S.-Iran negotiations. Gains in major indexes were modest, reflecting a balance between tech-led optimism and lingering geopolitical uncertainty in global markets.

“The main driver of the mood music is the story in Iran. Both sides are closer than they have been to date to getting something over the line. The US has made it clear it does not…

U.S. stocks rose Tuesday, catching up after a holiday, as optimism over U.S.-Iran talks lifted sentiment. The S&P 500, Nasdaq and Dow hovered near record highs, while oil prices…