As readers here know, we extensively use correlation for proper investment diversification.
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For proper diversification we always look for uncorrelated stocks. These are shown in bold blue. Green and red correspond to positive and negative correlations of over 0.85. Either is not good for diversification.
Perfect pairs of uncorrelated stocks are Boeing, BA and IBM, as well as Target, TGT and NUE, but there are several other good pairs.
Note: SCHW is not shown as we could get stock price info.
Disclaimer: The author does not hold any positions on any of these stocks.

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