Stock Market Heatmap
Scan sector rotation, breadth, and mega-cap leadership across all 500 S&P 500 companies from one market-cap-weighted map. Tile size reflects company market value, while color shows the daily move versus the previous adjusted close.
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Top Gainers S&P 500
Market Pulse
The S&P 500 is trading higher today, with the cap-weighted index reading +0.40%. Market breadth shows broad participation in the rally: 369 stocks advancing and 131 declining out of 500 constituents. Materials leads the sectors at +1.59%, while Consumer Discretionary lags at -1.07%.
Today's Top Stocks
Albemarle Corporation (ALB) leads the S&P 500 today, up +7.50%, followed by The Mosaic Company (MOS, +7.09%), Seagate Technology Holdings plc (STX, +6.14%) and Coherent Corp. (COHR, +5.98%). On the downside, EchoStar Corporation (SATS) is the weakest at -11.97%, with Coterra Energy Inc. (CTRA, -10.19%), Adobe Inc. (ADBE, -7.28%) and Carvana Co. (CVNA, -5.09%) also under pressure.
Sector Performance, Ranked Best to Worst
Sector change is market-cap weighted, which means larger companies have more influence on their sector's heatmap reading than smaller constituents.
Want the longer view? See sector performance across 7 time periods.
Theme Performance: AI, Semiconductors, EV & More
Beyond GICS sectors, StockTitan tracks curated investing themes across the whole US market, not just S&P 500 members, so emerging leaders show up before they join the index. Theme change is market-cap weighted across each theme's member stocks.
Compare every theme across 7 time periods on the theme performance page.
How to Read the Map
A stock market heatmap helps answer three trading and investing questions quickly: which sectors are leading, whether gains are broad or concentrated, and which large-cap stocks are driving the index. Green clusters often point to sector strength, red clusters show areas under pressure, and mixed sectors can reveal rotation beneath a flat index headline.
Methodology Notes
The heatmap groups S&P 500 constituents by sector and industry. Each rectangle represents one company, tile area is based on market capitalization, and color is based on daily percentage change versus the previous adjusted close. StockTitan uses adjusted close data so splits and dividends do not create false heatmap moves. Data status is shown above the map and may be live or delayed depending on account tier.
Market Temperature is a 0–100 descriptive composite of three readings from this page: market breadth (40%), the cap-weighted index move scaled to a ±3% full-tilt session (40%), and the share of sectors trading positive (20%). The context line compares today's reading against the same formula computed close-to-close for roughly the past year of sessions, using current index membership. It summarizes how broad and how strong the current move is; it is not a prediction or a trading signal.
This page is for market research and education only. It is not investment advice, a recommendation, or a substitute for your own due diligence.