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West Pharmaceutical Services (WST) Fell on Disappointing Guidance

Artisan Partners, an investment management company, released its “Artisan Mid Cap Fund” first quarter 2025 investor letter. A copy of the letter can be downloaded here. In the first quarter, the fund’s Investor Class fund ARTMX returned -7.40%, Advisor Class fund APDMX posted a return of -7.37%, and Institutional Class fund APHMX returned -7.35%, compared to a -7.12% return for the Russell Midcap Growth Index. US equities achieved solid Q4 gains, concluding a strong year. After a period of strong growth stock performance in 2023 and 2024, value stocks gained the lead in Q1 2025. In a...