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Wallingford, Connecticut-based Amphenol Corporation (APH) designs, manufactures, and markets electrical, electronic, and fiber optic connectors in the U.S., China, and internationally. With a market cap of $97.8 billion, Amphenol operates through Harsh Environment Solutions, Communications Solutions, and Interconnect and Sensor Systems segments.
APH has notably outperformed the broader market over the past year and in 2025. APH’s stock prices have surged 26.8% over the past 52 weeks and 16.5% on a YTD basis, compared to the S&P 500 Index’s ($SPX) 8.6% gains over the past year and a 3.8% drop in 2025.