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Tuesday, October 27, 2026Market Open

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Quotes end-of-day through Oct 26, 2026 close, refreshed Oct 27, 7:30 AM EDT (Marketstack)Filings & fundamentals through Oct 27, 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 — REGN · Regeneron Pharmaceuticals

Regeneron Pharmaceuticals

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