S&P 500 hits record closing high on AI optimism, Micron joins $1 trillion club
By Saeed Azhar, Twesha Dikshit and Utkarsh Hathi NEW YORK, May 26 (Reuters) - The S&P 500 hit a record closing high on Tuesday, while the tech-heavy Nasdaq notched further gains, as AI-fueled optimism offset concerns over Middle East peace talks, which were compounded by recent U.S. strikes on Iran.