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Wallingford, Connecticut-based Amphenol Corporation (APH) designs, manufactures, and markets electronics and fiber optic connectors in the U.S., China, and internationally. With a market cap of $133.7 billion, Amphenol operates through Harsh Environment Solutions, Communications Solutions, and Interconnect and Sensor Systems segments.
The electronic components manufacturer has significantly outperformed the broader market over the past year. Over the past 52 weeks, APH rallied 80.8% outpacing the S&P 500 Index’s ($SPX) 21.9% returns. In 2025, APH is up 56.3% outpacing SPX’s 7.8% gains on a YTD basis.