On an earnings call in February, he answered question after question about plunging demand for his company’s vaccine against ...

The company’s stock fell as much as 2.8% after markets opened in New York Thursday. For the first quarter, Merck’s results ...

Merck & Co. said it expects to lose $200 million to already-announced tariffs in 2025 amid an escalating trade war between ...

Proquad is rarely a newsmaker from Merck’s earnings, but this time around, the U.S. has had a series of measles outbreaks.