These Were the 5 Worst-Performing Stocks in the S&P 500 in September 2025 — and One’s Decline Can Be Tied to President Trump

It’s fun to follow stocks that soared recently, and it can be sobering to see which ones have plunged — especially if you’re a shareholder. So here’s a look at the worst-performing stocks in the S&P 500 index of 500 of America’s biggest companies — in September.Image source: Getty Images.CarMax (NYSE: KMX) sells, finances, and services new and used cars at more than 250 locations. Much of its loss happened after it posted a very disappointing second-quarter report, featuring revenue down year over year and profits really down — by 25%. This reflects lower car-buying enthusiasm from consumers.Continue readinghttps://www.fool.com/investing/2025/10/08/the-5-worst-performing-stocks-in-the-sp-500-trump/