We’ve entered the most profound era of change for financial services companies since the 1970s brought us index mutual funds, discount brokers and ATMs. No firm is immune from the coming disruption and every company must have a strategy to harness the powerful advantages of the new fintech revolution. The battle already underway will create surprising winners and stunned losers among some of the most powerful names in the financial world: The most contentious conflicts (and partnerships) will be between…