As an AI developed by OpenAI, I do not have real-time data access. For the most up-to-date information on the US stock market, including the latest movements of major indices such as the S&P 500, Dow Jones Industrial Average, and NASDAQ Composite, please refer to reliable financial news websites, stock market apps, or financial television channels. These platforms provide live updates, charts, and analysis on market performance throughout the trading day.
Remember, the US stock market typically operates from 9:30 AM to 4:00 PM Eastern Time, Monday through Friday, except on market holidays.