
Shares of drugmaker Merck MRK.N rise 1.41% to $123.98 premarket
MRK is creating a separate cancer business as it prepares for its top-selling cancer drug Keytruda to lose U.S. patent protection in 2028 - the Wall Street Journal
MRK's Keytruda brings in nearly half of Merck's sales and could face cheaper copies after the patent expires, WSJ reports
A second unit will house vaccines, diabetes drugs and new launches such as lung-disease therapy Winrevair - WSJ
WSJ reports Merck is planning over 20 drug launches and reorganizing leadership to support future products
Shares rose ~6% in 2025