Wall Street opens near record highs, buoyed by optimism about artificial intelligence.

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- Wall Street's main indexes opened near record highs on Monday as investors assessed the impact of Nvidia's latest artificial intelligence moves and growing doubts about a deal to end the trade war between the United States and Iran.

The Dow Jones Industrial Average rose 128.6 points, or 0.25 percent, at the open to 51,161.1. The S&P 500 gained 2.2 points, or 0.03 percent, to 7,582.29, while the Nasdaq Composite fell 20.0 points, or 0.07 percent, to 26,952.579.