My father and grandfather were stockbrokers, and they would actually take stock certificates from a vault, give it to a runner, and send it to another vault. Then somebody said, "Let's digitize it and have one vault." Now the DTCC clears and settles almost everything, and the cost of doing a trade is a tenth of what it was before.

I'm not going to name anybody, but I think there are about five to 10 global institutions that will emerge as our primary competitors across the board. They're adjusting to this new world, like we are.

We're not fair weather friends. We've been in places for a long, long time.

I've always wanted to help build a better society and build a better company, and I always wanted a healthy, vibrant company, a healthy, vibrant society. We take care of our people, we provide them with opportunity. But I've always believed business is here to serve your clients, your shareholders, your communities. If we do this well, everyone benefits. We have to do a good job for all of them.

It's moderate growth, with some parts of the world better than people think, and better than last year [2015].

Not every company went bankrupt. Not every bank needed TARP [Troubled Asset Relief Program]. So I'm very proud that JPMorgan, throughout that time period, was completely steadfast. We bought Bear Stearns because we thought we were helping the situation. We didn't cut and run.

I advise other companies' CEOs, don't fall into the trap where you go, 'Where's the growth? Where's the growth?' Where's the growth?' They feel a tremendous pressure to grow. Well, sometimes you can't grow. Sometimes you don't want to grow. In certain businesses, growth means you either take on bad clients, excess risk, or too much leverage.