An inquest into the death of the 21-year old German, Moritz Erhardt, revealed a culture of heavy workloads for junior investment bankers.
The inquest found that Erhardt, who suffered from epilepsy, died of natural causes, though fatigue could have been a factor.
Why big banks are too big to jail
This week, Bank of America(BAC) recommended that its junior staff take at least 4 weekend days off a month. In October, Goldman Sachs(GSPRC) also encouraged its junior bankers to take weekends off.
Goldman's Zurich office was investigated in 2013 by Swiss labor authorities after a complaint lodged by an employee group suggested the firm had run afoul of strict local labor laws related to tracking workers' hours.