Democrats Probe Trump Social Security Chief’s Tie to Fiserv Fall

Senate Democrats are pressing Fiserv Inc. for information on the role former chief executive Frank Bisignano played in the company’s plummeting fortunes before he took a role in President Donald Trump’s administration.

Firserv’s shares plunged late last month after the company slashed its full-year earnings outlook and delivered third-quarter results well short of analysts’ estimates. Bisignano, who is currently leading both the Social Security Administration and the Internal Revenue Service, dodged a roughly $300 million loss because he divested his stake in the company before October’s downturn.

Senators Ron Wyden and Elizabeth Warren, the top Democrats on ...