Key facts
- Wall Street stocks posted modest gains on Monday.
- Investors watched developments in U.S.-Iran peace negotiations.
- A new computer chip promising to bring artificial intelligence to personal computing was unveiled.
- Tech shares rose 2.5%, boosting the Nasdaq and S&P 500 to record closing highs.
- The blue-chip Dow closed nominally higher, with gains limited by weakness in most sectors.
Wall Street stocks saw modest gains as investors monitored U.S.-Iran peace talks and reacted positively to the announcement of a new AI-powered computer chip. The technology sector's strong performance propelled the Nasdaq and S&P 500 to new record closing highs, although the Dow Jones Industrial Average experienced limited gains due to broader sector weakness.