JPMorgan is capping junior bankers' hours, as concerns about overwork across the industry mount.Mike Kemp/In Pictures via Getty ImagesJPMorgan Chase and Bank of America are taking steps to limit junior bankers' work hours.The move follows scrutiny over Wall Street's culture of overworking and a recent death.Peers like Morgan Stanley and Goldman Sachs have no such working hour caps.Two Wall Street banks are cracking down on young bankers' working hours, as the industry continues to grapple with a long-standing culture of overwork.On Wednesday, The Wall Street Journal reported that JPMorgan Chase plans to limit bankers' hours and that Bank of America is using a new tool to track their time on the job.JPMorgan will cap working time at 80 hours a week.