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Thursday, October 29, 2026Market Open

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Quotes end-of-day through Oct 28, 2026 close, refreshed Oct 29, 7:31 AM EDT (Marketstack)Filings & fundamentals through Oct 29, 2026 (SEC EDGAR)

IDD provides information and analytics for educational purposes only — not investment, legal, or tax advice, and not a recommendation to buy or sell any security. Investing involves risk, including loss of principal. Past performance does not guarantee future results. IDD is not a registered investment adviser or broker-dealer. Market data may be delayed. Sources: SEC EDGAR; Marketstack.

IDD — MRK · Merck & Co.

Merck & Co.

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