| 7D | +14.5% |
| 1M | +20.5% |
| 3M | +34.2% |
| 6M | +26.9% |
| YTD | +46.7% |
| 1Y | +86.8% |
Merck & Co., Inc. is an American multinational pharmaceutical company headquartered in Rahway, New Jersey. The company does business as Merck Sharp & Dohme or MSD outside the United States and Canada. The company is ranked fifth on the list of largest biomedical companies by revenue.