JPMorgan CEO Jamie Dimon is recovering from emergency heart surgery the company disclosed Thursday evening. Co-Presidents and Chief Operating Officers Daniel Pinto and Gordon Smith released a statement to employees and shareholders: "We want to let you know that Jamie experienced an acute aortic dissection this morning. He underwent successful emergency heart surgery to repair the dissection. The good news is that it was caught early and the surgery was successful. He is awake, alert and recovering well. Our Lead Director, Lee Raymond, said today, “Our Board has been fully briefed on these developments and has asked Daniel and Gordon...