Wall Street's three major indexes close at all-time highs on sustained AI optimism

All three major Wall Street indexes closed at all-time highs Monday despite uncertainty in the Middle East, as AI-related stocks continued their strong run.

The Dow Jones Industrial Average rose 228.91 points, or 0.45 percent, to finish at 51,307.79.

The S&P 500 gained 9.82 points, or 0.13 percent, to close at 7,609.78, while the tech-heavy Nasdaq Composite edged up 7.09 points, or 0.03 percent, to end at 27,093.90.

The advances extended winning streaks for both the S&P 500 and the Nasdaq to nine consecutive trading sessions.