TechnipFMC plc (NYSE:FTI) stock jumped 4.7% in premarket trading Wednesday after S&P Dow Jones Indices announced the company will join the S&P MidCap 400 index.
The change will take effect before trading opens on Friday, September 12, 2025, with TechnipFMC replacing Skechers USA Inc. (NYSE:SKX), which is set to be acquired by 3G Capital, pending completion of the transaction.
In the same index update, United Parks & Resorts Inc. (NYSE:PRKS) will be added to the S&P SmallCap 600, replacing Foot Locker Inc. (NYSE:FL). United Parks & Resorts shares also rose 4.7% in premarket trading, with the change taking effect before the market opens on Monday, September 8, 2025.
Foot Locker is being removed from the SmallCap 600 as S&P MidCap 400 member Dick’s Sporting Goods Inc. (NYSE:DKS) moves forward with its acquisition of the footwear retailer, which is expected to close soon.
Inclusion in a major index often boosts demand for a company’s shares, as funds that track the benchmark must adjust their portfolios to reflect the new constituents, driving additional buying pressure.
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