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Since the financial crises banks, for the most part, have focused their time and effort on complying with new regulations and building up capital ratios in case another crisis hits; while they were doing this another industry, fintech, emerged and has eaten into some of the core profit making businesses of the banks; banks have started to catch up with technology and as countries like the US look to pare back some crisis era rules the banks see the next few years as the perfect opportunity to invest wisely in technology; the one thing the banks might not be able to handle is if Amazon, Facebook or Google begin to encroach further into fintech, potentially bring in competition who can immediately match up in size and strength. Source.