JPMorgan (JPM) could fall 10% should Jamie Dimon follow through on a veiled threat and exit the...

|About: JPMorgan Chase & Co. (JPM)|By:, SA News Editor

JPMorgan (JPM) could fall 10% should Jamie Dimon follow through on a veiled threat and exit the bank if he is stripped of the chairman's role, says Mike Mayo, wondering who's standing in the wings to replace him. A fiery Ken Langone pronounces himself "terrified" at the thought of a Jamie Dimon-less JPMorgan.