economy
January 16, 2026
Stocks usually rally big after getting added to the S&P 500 index. These could be next
Investors are watching several companies closely ahead of the index committee's next reshuffle, since S&P 500 additions almost always jump after inclusion.

TL;DR
- Stocks added to the S&P 500 often experience a price boost.
- Stephens identifies Marvell Technology, Vertiv, Strategy, Reddit, and Alnylam Pharmaceuticals as major eligible candidates.
- The next S&P 500 reshuffle is scheduled for Friday.
- Sector dynamics, such as underrepresentation in communication services and financials, may favor Reddit and SoFi Technologies.
- Vertiv's inclusion could be influenced by pending M&A activity.
- Ciena and Coherent are also mentioned as potential S&P 500 additions from the S&P MidCap 400 Index.
- Strategy's odds of inclusion may be lower due to the number of eligible large-cap information technology candidates.
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