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Allison Transmission Holdings Set to Join S&P MidCap 400 and Goodyear Tire & Rubber to Join S&P SmallCap 600
On June 30, 2026, Allison Transmission Holdings Inc. will take the place of Goodyear Tire & Rubber Co. in the S&P MidCap 400. This change will also result in Goodyear Tire & Rubber replacing Stellar Bancorp Inc. in the S&P SmallCap 600. This transition will come into effect before the specified date. Allison Transmission Holdings Inc. trades on the NYSE under the ticker symbol ALSN, while Goodyear Tire & Rubber Co. is listed on NASDAQ with the symbol GT.