The S&P 500 closed slightly higher on Monday, with AI optimism fueling upward momentum even as the earnings-driven fervor of the recent rally eased in the home stretch of reporting season and as crude prices rose, stoking inflation worries as U.S.-Iran peace negotiations stalled.
Semiconductors handily outshone other sectors as artificial intelligence-related momentum continued unabated, with chipmakers outperforming the broader market.
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