Trump spoke publicly again of rolling back Dodd-Frank again. The run from Dow 18K to over 20K is mainly on the backs of financials.
Financials are poised to enter a new golden era. Increased leverage = increased profit. Speaking in round, illustrative numbers, banks are leveraged 15:1 today. Back in the heyday, they were leveraged 35:1. Will it go that high again? Hopefully not. But their is a lot of room in the interim to super-charge that bottom line.