The months between April and June are seasonally strong ones for banks’ equities divisions, but this year’s second quarter blew previous periods out of the water.

Across nine of the world's largest investment banks, revenues from equities sales and trading divisions rose on average by 69% compared with the same period last year, according to Financial News analysis of the results of banks, including Credit Suisse, Deutsche Bank, Goldman Sachs and JP Morgan. And behind that figure were some standout performers.