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Merck

Merck & Co., Inc.

Merck manufactures pharmaceutical products for several therapeutic areas including cardiometabolic disease, cancer (led by Keytruda), and infections. The company also has a substantial vaccine business (including Gardasil) and sells animal health-related drugs. Approximately 47% of its sales come from US human health products.

How to buy Merck on Grow →

Trading hours

The following are when you can trade Merck in Grow (24/5).

SessionHours (ET)Tradeable
Pre-market4:00 AM–9:30 AM ET
Regular9:30 AM–4:00 PM ET
After-hours4:00 PM–8:00 PM ET
Overnight8:00 PM–4:00 AM ET (next day)

Excludes US market holidays.


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