At JPMorgan, your performance review is now. And now. And now...

New York

JPMORGAN Chase & Co is shaking up the way it evaluates employees, introducing a mobile tool that lets workers across the sprawling organisation send or receive instant critiques of their colleagues.

The software, dubbed Insight360, is meant to foster development of the bank's 243,000 employees, according to a memo on Thursday from John Donnelly, head of human resources at the New York-based company.

Executives at the bank found many workers, especially mi…