Stock Heatmap S&P 500

The three biggest gainers in the S&P 500 are Casey's General Stores Inc. (CASY), Devon Energy Corporation (DVN), and The J. M. Smucker Company (SJM).

The three biggest decliners in the S&P 500 are Super Micro Computer, Inc. (SMCI), Generac Holdings Inc. (GNRC), and Zebra Technologies Corporation (ZBRA).

The S&P 500 covers 11 sectors. By number of companies, the largest are Industrials with 80 stocks, Information Technology with 77, and Financials with 72.

This heatmap refreshes every minute during trading hours. Trading hours run from 9:30 AM to 4:00 PM ET, Monday through Friday. When the market is closed, the heatmap shows the last available close.

A static heatmap sizes tiles by market cap, so the largest companies always dominate the view. This heatmap sizes tiles by the metric you select, so the layout rebuilds when you switch metrics. You can instantly spot opportunities and outliers across 26 metrics.