Stock Market Today: Stocks Sink, Oil Surges After U.S. Imposes New Russian Sanctions

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 Thursday. This is TheStreet’s Stock Market Today for Oct. 23, 2025. You can follow the latest updates on the market here in our daily live blog. Update: 8:02 a.m. ET Opening Bell The U.S. equity markets are now open. The Dow (+0.07%), S&P 500 (+0.06%) and Nasdaq Composite (+0.01%) are up just a few basis points, while the small cap-focused Ru ...