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ARCHIVE
Every S&P Index change, with the price reaction
One page for each announcement: who joined, who left, and what the share prices did in the minutes and hours after the news.
Effective
April 8, 2026 at 5:00:00 PM
S&P index changes, April 2026: Casey's General Stores
On 6 April 2026, S&P Dow Jones Indices announced 6 index changes affecting 4 companies in the S&P 500, S&P MidCap 400 and S&P SmallCap 600. The most notable move was Casey's General Stores joining the S&P 500 from the S&P MidCap 400.
Effective
January 29, 2026 at 4:00:00 PM
S&P index changes, January 2026: TTM Technologies
On 27 January 2026, S&P Dow Jones Indices announced 14 index changes affecting 12 companies in the S&P MidCap 400 and S&P SmallCap 600. The most notable move was TTM Technologies joining the S&P MidCap 400 from the S&P SmallCap 600.
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