JPMorgan Chase & Co. warned that President Donald Trump’s call for a 10% cap on credit card rates threatens to “significantly change” its business and would harm the biggest US bank and customers.  This comes after the JPMorgan Chase & Co.’s investment-banking fees unexpectedly fell in the fourth quarter, missing the firm’s own guidance from just last month as revenue from both underwriting and advising on mergers declined. (Source: Bloomberg)