The moves would appear to make Doug Petno and Troy Rohrbaugh the most obvious possible successors to JPMorgan Chase CEO Jamie Dimon.

The moves would appear to make Doug Petno and Troy Rohrbaugh the most obvious possible successors to JPMorgan Chase CEO Jamie Dimon.

Jamie Dimon elevates two executives to co-presidents at JPMorgan Chase, continuing a succession playbook with major implications for the bank's blockchain