Trump called for banks to cap credit card interest rates at 10%, an idea that has been roundly rejected by industry executives and their lobbyists this week.
Trading desks across Wall Street have benefited in the last year as Trump's policies have roiled markets for bonds, currencies, commodities and stocks.
Five days after Trump's demand to cap credit card rates, bankers and lobbyists told CNBC they have yet to receive any formal or written guidance on the policy.