JPMorgan has clutch of CEO understudies, people guessing on winner

New York

JPMORGAN Chase & Co is once again facing questions about who will succeed its larger-than-life chief executive after Jamie Dimon was courted by the incoming US president for the role of Treasury secretary.

Mr Dimon, 60, has been running the largest US bank for more than a decade and has faced questions about his longevity in the role before: when potential successors left; when he allowed an embarrassing US$6.2 billion derivatives trading loss; and, most recently, when he was diagnosed with throat cancer in 2014.

Although associates have said he is not interested in the Treasury job, the recent invitation from a member of President-elect Donald Trump's transition team to apply for the job was a reminder to interested parties, including some investors, th…