JPMorgan CEO Jamie Dimon said on Monday that the company's board is thinking about succession, but he stopped short of saying who will take his place. Dimon instead emphasised the importance of maintaining JPMorgan's culture, no matter who helms it. "If I'm here for four more years and maybe two more or three, executive chair or chairman, that's a long time," Dimon said. "But to me, the most important thing, when it gets handed over, you have real teams, real cultures, and hopefully keep on building it. If ...