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Exton, Pennsylvania-based West Pharmaceutical Services, Inc. (WST) designs, manufactures, and sells containment and delivery systems for injectable drugs and healthcare products. Valued at $17.9 billion by market cap, the company’s technologies include the design and manufacture of packaging components, research and development of drug delivery systems, and contract laboratory services and other services.
Shares of this leading manufacturer of containment and delivery systems have outperformed the broader market over the past year. WST has gained 20.4% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 11.7%. However, in 2026, WST’s stock fell 11.4%, compared to the SPX’s marginal rise on a YTD basis.
