The S&P 500 just surpassed its all-time closing high of 1565.15, set in October 2007.
The index traded north of 1565 momentarily to 1565.40, but just dipped back below 1565.
The S&P 500 is just a few points away from its record intraday high of 1576.09, also reached in October 2007.
The Dow Jones Industrial Average surpassed its previous all-time high earlier in March.
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