Key Takeaways JPMorgan Chase announced a flurry of executive changes Tuesday that raised new questions about who could succeed CEO Jamie Dimon.Jennifer Piepszak, co-chief executive officer of the firm's Commercial and Investment Bank,

Jamie Dimon's "hit-by-the-bus" heir, Daniel Pinto, is retiring. The incoming chief operating officer, Jennifer Piepszak, does not want the CEO role.

One of the leading contenders to become CEO of JPMorgan Chase , Jennifer Piepszak, on Tuesday took herself out of the running for now, raising the chances of a trio of other executives vying for Wall Street's top job.

(Reuters) - JPMorgan Chase's Jennifer Piepszak, long seen as a strong contender to succeed CEO Jamie Dimon, exited the race on Tuesday and opted to become the chief operating officer of the biggest U.S. bank instead.

The financial giant has disgruntled workforce and has a potential unionization on its hands as it forces staff into the office five days a week.

The bank shut down a discussion on an internal website about a five-day return to office policy after dozens of employees criticized the move.