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 readingWeiter zum vollständigen Artikel bei MotleyFool Weiter zum vollständigen Artikel bei MotleyFool