April 29 (Reuters) - Merck MRK.N is investing $1 billion in a Delaware plant to expand its U.S. manufacturing as it prepares to deal with looming tariff impact, the Wall Street Journal reported on Tuesday.
(Reporting by Mariam Sunny in Bengaluru; Editing by Savio D'Souza)
((Mariam.ESunny@thomsonreuters.com;))