The four biggest US banks reported a collective 61.6 billion quarterly profit, on the back of a boom in their equities trading businesses.

Top US banks like Goldman Sachs, JPMorgan, Citi, Bank of America, and Morgan Stanley are expected to report strong earnings this week

Five of the biggest U.S. banks reported record profits on Tuesday, boosted by their trading desks and a remarkably resilient American consumer amid persistent global economic…