It’s rare for stocks and the dollar to fall together. History says be careful.

Here’s something investors don’t see very often: The stock market and the U.S. dollar are retreating side by side, and history, while limited, suggests investors should stay on their toes.

The three-month rate of change for the S&P 500 .css-8459s-OverridedLink.css-8459s-OverridedLink:any-link{-webkit-text-decoration:none;text-decoration:none;color:var(--color-interactiveLink010, interactiveLink010);border-bottom:1px solid;border-bottom-color:var(--color-interactiveLink010, interactiveLink010);}.



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css-1y1y9ag-OverridedLink.css-1y1y9ag-OverridedLink:any-link:hover svg{fill:var(--color-interactiveLink020, interactiveLink020);} SPX has been 7.96% over the past three months, noted Dean Christians, senior research analyst at SentimenTrader, in a Monday note.

The rate of decline for the ICE U.S. Dollar Index DXY , a measure of the currency against a basket of six major rivals, was 8.

99%..