A place on the S&P 500 means a sure-fire stock boost—and a pleasant surprise for the CEO The good news came out of the blue in September for Robinhood, and resulted in its stock jumping 16%. Fortune · Oct 2, 2025
Datadog Stock Surges 11% After Hours After Making S&P 500 Debut Datadog Inc. (NASDAQ:DDOG) saw a surge of nearly 11% in its stock value during after-hours trading on Wednesday.What Happened: Datadog’s stock price experienced a 10.88% increase after the market closed on Wednesday, reaching $149.70. This surge followed the company’s announcement of its inclusion in the SP 500 index. The stock’s… Benzinga · Jul 3, 2025
It's the end of an era: Nvidia replaces Intel in a key Dow Jones index, as Team Blue's fortunes tumble AMD has been in a worse situation but even it wasn't booted from the Dow Jones. PC Gamer · Nov 5, 2024
Under Armour downgraded from S&P 500 stock market index Shares of Under Armour remained largely unchanged Monday on their first day of trading after S&P Dow Jones Indices said it plans to remove the Baltimore-based athletic apparel maker from the widely followed S&P 500 stock market index. Tribune News Service · Jun 6, 2022