Another day of stock market trading is coming to an end. Today’s action can be visualized with the S&P 500 Heatmap (SPX), which highlights the performance of each sector’s major stocks. For clarity’s sake, each box is scaled to reflect the relative size of the stocks within the index.
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Here’s a look at today’s heatmap at the time of writing:

It’s worth noting that this tool isn’t exclusive to the S&P 500 – it is also available on TipRanks for the Dow Jones (DJIA), the Nasdaq (NDX), and a wide variety of ETFs.