The S&P 500 (^GSPC) and the 10-year Treasury yield (^TNX) have apparently had a give-and-take relationship in the past: whenever stocks experienced pullbacks and subsequent rebounds, that has pushed Treasuries higher.

Julie Hyman breaks down this pattern, charting why the recent August sell-off seems to be an exception as the 10-year Treasury yield slides further, reflecting on BlackRock chief investment officer of fixed income Rick Rieder's recent comments made on Yahoo Finance's Opening Bid.

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This post was written by Luke Carberry Mogan.