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Chart: S&P500 Sector Market Cap Weights

I was doing a bit of work on the US stockmarket in the latest weekly report (specifically on cyclicals vs defensives and small caps), and part of that analysis involved looking at market cap weightings... one chart in my library of charts stuck out as something worth sharing: S&P500 sector market cap representation. There's a few things worth highlighting, first is the fact that the tech sector has grown to comprise the largest weight in the S&P500 since the later stages of the dot com bubble. Second, the index is much less diversified across sectors now vs back in 1995. And lastly, there's a couple of sectors doing the opposite of tech like consumer staples, and energy stocks - perhaps something in there for contrarians!

S&P500 market cap weighting chart

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