JPMorgan Chase reported record profits as its traders and dealmakers capitalized on rebounding markets. The bank forecasts higher-than-expected net interest income, despite concerns over sustainability.

JPMorgan Chase on Wednesday posted record quarterly and annual earnings and revenue, reinforcing the company’s status as the biggest and most profitable bank in U.S. history.

JPMorgan Chase's annual profit rose to a record as its dealmakers and traders reaped a windfall from rebounding markets in the fourth quarter, it reported on Wednesday. The largest U.S. bank also forecast its net interest income,