Flex Set to Join S&P MidCap 400; Azenta and Concentra Group Holdings to Join S&P SmallCap 600
Rhea-AI Summary
Concentra Group Holdings (NYSE: CON) will be added to the S&P SmallCap 600 effective prior to the open on Nov 27, 2024, replacing Myers Industries. Select Medical is distributing 80% of Concentra shares to shareholders in a transaction expected on Nov 26, 2024. Separately, Flex (FLEX) will join the S&P MidCap 400 on Nov 25, 2024, while Azenta (AZTA) moves to the S&P SmallCap 600 as Envestnet (ENV) is removed ahead of a Bain Capital acquisition.
Positive
- Concentra (CON) addition to S&P SmallCap 600 effective Nov 27, 2024
- Select Medical to distribute 80% of Concentra shares to shareholders on Nov 26, 2024
- Flex (FLEX) to join S&P MidCap 400 effective Nov 25, 2024
- Azenta (AZTA) to be added to S&P SmallCap 600 effective Nov 25, 2024
Negative
- Myers Industries (MYE) removed from S&P SmallCap 600 for being no longer representative of small-cap
- Envestnet (ENV) removed from S&P SmallCap 600 ahead of Bain Capital acquisition expected to close soon
- Azenta (AZTA) removed from S&P MidCap 400 due to market capitalization no longer representing mid-cap
Key Figures
Historical Context
| Date | Event | Sentiment | 24h Move | Catalyst |
|---|---|---|---|---|
| Apr 07 | Leadership change | Positive | -3.9% | New Multiomics president appointed to accelerate strategy and execution. |
| Mar 04 | Acquisition | Positive | +2.4% | Acquisition of UK Biocentre to expand European biorepository capabilities. |
| Feb 24 | Conference participation | Neutral | -1.1% | Planned presentation at a major institutional investor conference. |
| Feb 09 | Strategic partnership | Positive | +0.6% | Partnership to test sample management technologies in a space mission. |
| Feb 04 | Earnings results | Negative | -22.8% | Q1 fiscal 2026 results with modest growth and gross margin decline. |
24h Move is the share-price change in the day after each event; other market factors may also have contributed.
Recent news has often seen price moves align with the underlying news tone, with one notable divergence on a management transition update.
Over the last several months, Azenta’s news flow has covered earnings, M&A, partnerships, conferences, and leadership changes. Q1 fiscal 2026 results on Feb 4, 2026 coincided with a -22.81% move after modest growth and margin pressure. A UK Biocentre acquisition on Mar 4, 2026 saw a +2.4% reaction, while a space-focused partnership and a conference appearance prompted smaller moves. A leadership transition in Multiomics on Apr 7, 2026 drew a -3.9% reaction. Today’s index reclassification comes against this backdrop of mixed but generally aligned news/price responses.
Key Terms
s&p midcap 400 financial
s&p smallcap 600 financial
gics sector financial
AI-generated analysis. How Rhea-AI works. Not financial advice.
NEW YORK, Nov. 19, 2024 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P MidCap 400 and S&P SmallCap 600:
- Flex Ltd (NASD: FLEX) will replace Azenta Inc. (NASD: AZTA) in the S&P MidCap 400, and Azenta will replace Envestnet Inc. (NYSE: ENV) in the S&P SmallCap 600 effective prior to the opening of trading on Monday, November 25. Bain Capital is acquiring Envestnet in a deal expected to be completed soon, pending final closing conditions. Azenta's market capitalization is no longer representative of the mid-cap market space.
- Concentra Group Holdings Inc. (NYSE: CON) will replace Myers Industries Inc. (NYSE: MYE) in the S&P SmallCap 600 effective prior to the opening of trading on Wednesday, November 27. S&P SmallCap 600 constituent Select Medical Holdings Corp. (NYSE: SEM) is distributing the
80% of shares of Concentra Group Holdings it owns to shareholders in a transaction expected to be completed on November 26. Myers Industries' market capitalization is no longer representative of the small-cap market space.
Following is a summary of the changes that will take place prior to the open of trading on the effective date:
Effective Date | Index Name | Action | Company Name | Ticker | GICS Sector |
Nov 25, 2024 | S&P MidCap 400 | Addition | Flex | FLEX | Information Technology |
Nov 25, 2024 | S&P MidCap 400 | Deletion | Azenta | AZTA | Health Care |
Nov 25, 2024 | S&P SmallCap 600 | Addition | Azenta | AZTA | Health Care |
Nov 25, 2024 | S&P SmallCap 600 | Deletion | Envestnet | ENV | Information Technology |
Nov 27, 2024 | S&P SmallCap 600 | Addition | Concentra Group Holdings | CON | Health Care |
Nov 27, 2024 | S&P SmallCap 600 | Deletion | Myers Industries | MYE | Materials |
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SOURCE S&P Dow Jones Indices