Here's Why Merck (MRK) Stock Has Outperformed Industry YTD

Merck (MRK) boasts more than six blockbuster drugs in its portfolio, with PD-L1 inhibitor Keytruda approved for several types of cancer and alone accounting for more than 45% of the company’s pharmaceutical sales. The drug has played an instrumental role in driving Merck’s steady revenue growth in the past few years. Though Keytruda may be Merck’s biggest strength and a solid reason to own the stock, it can also be argued that the company is excessively dependent on the drug and should look for ways to dive ...