Live US Stock Market Heatmap — S&P 500 & Nasdaq

Get a quick visual overview of the US stock market with the Vunelix stock market heatmap. Instead of checking hundreds of stocks individually, the heatmap displays companies as blocks based on their market capitalization and daily price performance. This makes it easier to see which stocks and sectors are gaining or losing value during the trading session. The heatmap includes major US market indexes and provides a simple way to monitor companies such as Apple, Microsoft, NVIDIA, Tesla, and other widely followed stocks. Green areas represent positive price movements, while red areas show declining prices. Larger blocks indicate companies with greater market capitalization.