Blackstone and airbnb set to join s&p 500; others to join s&p 100, s&p midcap 400 and s&p smallcap 600

New york , sept. 1, 2023 /prnewswire/ -- s&p dow jones indices ("s&p dji") will make the following changes to the s&p 500, s&p 100, s&p midcap 400 and s&p smallcap 600 indices effective prior to the open of trading on monday, september 18, to coincide with the quarterly rebalance.
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