Lennox International will join the S&P 500 before the open on Dec. 23, replacing Catalent, with the contract drug manufacturer acquired by Novo Nordisk.
Lennox stock rose modestly late.
Lennox, a heating and cooling systems maker, has become an AI-adjacent play in 2024. LII stock is moving up from the S&P MidCap 400 index.
Bill Holdings will move directly into the S&P MidCap 400.
LII stock rose 3% after hours. Shares fell 2.9% to 638.32 in Wednesday's session to nearly the 10-week line. Lennow has a four-weeks-tight entry of 682.50.
Bill stock leapt nearly 5% overnight. Shares fell 4.3% on Wednesday. to 83.69, below the 21-day line.
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