(Bloomberg) -- JPMorgan Chase & Co. CEO Jamie Dimon was in the hot seat.Most Read from BloombergTwitter Now Asks Some Fired Workers to Please Come BackElon Musk Walks Back on Twitter Job Cuts, Blue Checks in Second WeekHouston Mogul’s $75 Million Win on Astros Hits Caesars HardestElon Musk Tells Twitter Followers to Vote for a Republican CongressBillions in Capital Calls Threaten to Wreak Havoc on Global Stocks, BondsDeep into a seven-hour congressional hearing on Sept. 21, Representative Brad S