Feb 17 (Reuters) - Activist investor Jana Partners has built a stake in Fiserv FISV.O and is pressing the payments company to pursue steps to lift its lagging share price, the Wall Street journal reported on Tuesday.
Shares of the company were up 6.5% in premarket trading. The stock slumped more than 67% in 2025.
Fiserv did not immediately respond to a Reuters request for comment.
(Reporting by Pritam Biswas in Bengaluru; Editing by Leroy Leo)
((Pritam.Biswas@thomsonreuters.com;))