Bombay Stock Exchange (BSE) has crossed the milestone of seven crore registered users based on Unique Client Code (UCC). Of the total, 38% fall in the 30-40 age bracket. "The journey from 6 crore to 7 crore users took...139 days, as compared to 241, 652 and 939 days...for...previous milestones of 6 crore, 5 crore and 4 crore, respectively," BSE said.