Business US stocks today: S&P 500 and Nasdaq notch records; AMD results spark AI stock rally by Marcus Liu - Business Editor May 6, 2026 by Marcus Liu - Business Editor May 6, 2026 AI Optimism and Geopolitical Easing Drive S&P 500 and Nasdaq to Record Highs Wall Street hit a major milestone on Wednesday as the S&P 500 and the Nasdaq Composite both … 0 FacebookTwitterPinterestEmail