This Stock Dominated the S&P 500 in September 2025

Fueled by continued takeover speculation, media and entertainment giant Warner Bros. Discovery (NASDAQ: WBD) just delivered its single-best monthly gain in its 17-year trading history, with a 67% sprint higher in September.The stock's huge 30-day gain not only led all stocks in the S&P 500 for the month, but also added about $19 billion to its market cap, leaving the New York-based company's stock worth over $48 billion.At the same time, this short-term move roughly doubled Warner Bros. Discovery one-year gain to 136%, with the stock closing Sept. 30 at $19.53, close to its 52-week high of $20.24. Continue readingWeiter zum vollständigen Artikel bei MotleyFool Weiter zum vollständigen Artikel bei MotleyFool