https://www.live-feeds.com/feed/s-p-500-nasdaq-hit-records-but-the-breadth-of-the-rally-has-narrowed-chart-of-the-dayContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/s-p-500-nasdaq-hit-records-but-the-breadth-of-the-rally-has-narrowed-chart-of-the-dayhttps://www.live-feeds.com/feed/s-p-500-nasdaq-hit-records-but-the-breadth-of-the-rally-has-narrowed-chart-of-the-day#u113473Sat, 10 Oct 2026 09:00:19 +0000The S&P 500 and the Nasdaq climbed to record highs, driven by gains in artificial intelligence chipmakers like Nvidia, AMD, and Marvell. The S&P 500 crossed the 7,800 threshold for the first time in history. All three major U.S. stock indexes opened higher and pushed past months of market shocks and bond market turmoil. Treasury yields and oil prices fell as stocks advanced, though some reports indicate the market breadth of the rally has narrowed.Why it mattersThe stock market rally persists despite elevated bond yields and broader signs of instability in the United States economy. Wh