Definitely some strange inclusions and exclusions. "Information technology" has NetApp but not Everpure, even though they have the same market cap and are in the same space. Qnity and Jabil are included with half the market cap.

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aweb 6 hours ago | parent [-]

Agreed, Datadog is missing despite being in the S&P 500 as well

	▲	eep_social 5 hours ago \| parent [-]
		Both missing companies were included recently, suggesting to me that the author used an older dataset.