Stock Market Today: Nasdaq, S&P 500 Open Higher to Start Week; Novo Nordisk Plummets After Ozempic Alzheimer's Miss

This live blog is refreshed periodically throughout the day with the latest updates from the market.To find the latest Stock Market Today threads, click here. Happy Monday. This is TheStreet’s Stock Market Today for Nov. 24, 2025. You can follow the latest updates on the market here in our daily live blog. Update: 9:30 a.m. ET Opening Bell The U.S. markets are now open. The Nasdaq (+1.33%) is starting the week on strong footing, trailed by the S&P 500 (+0.75%). Meanwhile, the Russell 2000 (+0.35%) and D ...