And the worst performing S&P 500 component thus far on the day is Berkley, trading down 6.3%. Berkley is showing a gain of 13.5% looking at the year to date performance.
Two other components making moves today are Paramount Skydance, trading down 5.1%, and Ulta Beauty, trading up 10.8% on the day.
VIDEO: S&P 500 Movers: WRB, COO
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