Allison Transmission to Replace Goodyear in S&P MidCap 400
Written by Emily J. Thompson, Senior Investment Analyst
Updated: 16 hours ago
0mins
Source: PRnewswire
- Index Changes: Allison Transmission (Ticker: ALSN) will replace Goodyear Tire & Rubber (Ticker: GT) in the S&P MidCap 400 effective July 6, 2026, which is expected to enhance Allison's market visibility and potentially attract more investor interest.
- Goodyear's Transition: Goodyear will be removed from the S&P MidCap 400 and added to the S&P SmallCap 600, indicating a shift in its market position that may impact its stock performance and investor confidence.
- Acquisition Impact: Prosperity Bancshares (Ticker: PB) is set to complete its acquisition of Stellar Bancorp (Ticker: STEL) on July 1, which will further reshape the composition of the S&P SmallCap 600 index and could influence market dynamics for related financial stocks.
- Index Management Context: S&P Dow Jones Indices is one of the largest index providers globally, managing a vast array of investment products based on its indices, and these changes will affect investors' asset allocation strategies, reflecting anticipated shifts in company performance.
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Analyst Views on SPGI
Wall Street analysts forecast SPGI stock price to rise
15 Analyst Rating
14 Buy
1 Hold
0 Sell
Strong Buy
Current: 407.260
Low
546.00
Averages
617.77
High
675.00
Current: 407.260
Low
546.00
Averages
617.77
High
675.00
About SPGI
S&P Global Inc. provides essential intelligence. Its operations consist of five businesses: S&P Global Market Intelligence (Market Intelligence), S&P Global Ratings (Ratings), S&P Global Commodity Insights (Commodity Insights), S&P Global Mobility (Mobility) and S&P Dow Jones Indices (Indices). Market Intelligence is a global provider of multi-asset-class data and analytics integrated with purpose-built workflow solutions. Ratings is an independent provider of credit ratings, research, and analytics, offering investors and other market participants information, ratings and benchmarks. Commodity Insights is an independent provider of information and benchmark prices for the commodity and energy markets. Mobility is a provider of solutions serving the full automotive value chain, including vehicle manufacturers and retailers. Indices is a global index provider that maintains a variety of valuation and index benchmarks for investment advisors, wealth managers and institutional investors.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- Index Changes: Allison Transmission Holdings Inc. will replace Goodyear Tire & Rubber Co. in the S&P MidCap 400 Index effective July 6, 2026, highlighting its recognition and elevation within the industrial sector, which is expected to enhance market visibility and investor confidence.
- Acquisition Impact: Prosperity Bancshares Inc. is acquiring Stellar Bancorp Inc., with the deal expected to close on July 1, resulting in Stellar's removal from the S&P SmallCap 600 Index, reflecting a trend of consolidation within the financial sector.
- Market Reaction: Goodyear Tire will be re-added to the S&P SmallCap 600 Index, and while its position in the MidCap Index is replaced, this change may attract different types of investors, potentially boosting its market performance in the consumer discretionary sector.
- Industry Dynamics: As the largest global index provider, S&P Dow Jones Indices continues to enhance market transparency and investor confidence, with Allison's inclusion further diversifying the MidCap Index and reflecting ongoing growth potential in the industrial sector.
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- Index Changes: Allison Transmission (ALSN) will replace Goodyear Tire & Rubber (GT) in the S&P MidCap 400 before market open on July 6, 2026, reflecting market recognition and potentially increasing its visibility among investors.
- Goodyear Adjustment: Goodyear will move to the S&P SmallCap 600, replacing Stellar Bancorp (STEL), as a result of Prosperity Bancshares' acquisition of Stellar, expected to close on July 1, 2026, indicating a trend of market consolidation.
- Market Reaction: ALSN shares rose 6.4% in after-hours trading, indicating a positive investor response to its inclusion in the MidCap 400, which may attract more institutional investors.
- Industry Outlook: Despite near-term headwinds, Allison Transmission is viewed as having an attractive valuation, with growing market confidence in its long-term growth potential, which could drive its stock performance.
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