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Dow 30 Heatmap: Which Blue-Chip Stocks Rose or Fell?
An interactive observatory for market movement
US STOCKS · DAILY CLOSE
Dow 30 · Heatmap
US regular-session closes update automatically after market close, with a later check for settled data. These are not live quotes. Check the quote date. Uses the current constituent list.
Quote date: · Collected (UTC):
Closes update after each session. Membership uses the reviewed list dated below.
Constituents collected: 2026-10-02 · Source: Tickerbot / Data by TGMCharts / Dow 30
Period changes and the 52-week range are provider values, not dividend-reinvested total returns or official index returns. Long-horizon colors use 10 percentage-point steps, saturating at the extremes. P/E uses trailing 12-month earnings. Growth is 3-year CAGR, not year-on-year growth. Dividend and financial periods can differ from the closing date. Missing, inapplicable and nonpositive P/E or P/B values are withheld. The provider update is not a fiscal period end.
Preparing your 3D scene
Area: reported market cap · Color: price change · Height: larger gains rise higher, losses sit lower · Gray: unchanged or unavailable
Dow 30 · Market snapshot at the close
Compare the 30 constituents of the Dow Jones Industrial Average. The actual index is price-weighted; this map sizes companies by market capitalization, not their Dow index weights.
· Advancing 11 · Declining 19 · Unchanged 0
Do more advancing stocks mean a rising index?
Advancing share among stocks with a daily change: 11 / 30 (36.7%). Missing daily changes / all constituents: 0 / 30. Unchanged stocks stay in the denominator; missing changes do not. Each stock has one vote, unlike an index that gives larger companies more weight. This summary always uses daily changes for the full membership, independently of the sector filter and map horizon.
A hypothetical three-stock example: starting weights of 80%, 10% and 10%, with returns of +10%, −2% and −2%, produce a weighted return of +7.6% (0.8 × 10 − 0.1 × 2 − 0.1 × 2), although only one stock in three advances. This is not an observed index result. Map areas must not be used to calculate an official index return.
Try it: compare the colors of the largest tiles with the rest of the map, then select a sector to see where the moves are concentrated. The advancing share does not predict the next session.
| Company | Closing price (USD) | Change |
|---|---|---|
| Nvidia NVDA | 217.91 | +0.89% |
| Apple Inc. AAPL | 347.07 | +0.92% |
| Microsoft MSFT | 531.39 | -0.23% |
| Alphabet Inc. (Class A) GOOGL | 320.61 | +1.20% |
| Amazon AMZN | 253.15 | +1.63% |
Rows are sorted by market cap, not investment merit. Advancing and declining counts summarize individual stocks, not the index return.
How to read this heatmap
Area represents reported company market capitalization; color and height represent the change from the previous closing session. Areas are not official index weights. Multiple share classes may share the same company market cap. The map uses current membership, not historical index constituents.
Company explorer
You can also select a company using the keyboard. · Previous session change
Stocks shown 30 / 30
About the data
Closes update after each session. Membership uses the reviewed list dated below.
US regular-session closes update automatically after market close, with a later check for settled data. These are not live quotes. Check the quote date. Uses the current constituent list.
Area: reported market cap · Color: price change · Height: larger gains rise higher, losses sit lower · Gray: unchanged or unavailable
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