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Publication Date: 2025-09-08 09:18:00
The S&P MidCap 400 Index is a measure of the performance of mid-cap equities listed on the U.S. exchanges, and the market capitalization criteria for inclusion in the index are $8 billion to $22.7 billion.
San Jose, California-based enterprise cloud platform provider Nutanix, Inc.’s (NTNX) shares rose over 3% in Monday’s early premarket session.
S&P Dow Jones Indices announced late Friday that Nutanix will join the S&P MidCap 400 Index, effective before the market open on September 22. The company will replace Acadia Healthcare Company (ACHC) in the index.
The move comes as part of the index compiler’s quarterly rebalancing.
The S&P MidCap 400 Index is a measure of the performance of mid-cap equities listed on the U.S. exchanges, and the market capitalization criteria for inclusion in the index are $8 billion to $22.7 billion.
Nutanix had a market cap of $18.744 billion (based on Friday’s closing price of $68.67).
Index inclusion generates positive sentiment toward the stock, as investors view it as a validation of the company’s credentials as a stable and growing entity. Also, funds tracking a particular index would load up on the stock to align their portfolio weighting with that of the index.
On Stocktwits, retail sentiment toward Nutanix stock, however, remained stuck in ‘bearish’ territory (41/100) as of early Monday. The message volume on the stream was also at ‘low’ levels.