DSEX, the key index of the Dhaka Stock Exchange (DSE), opened higher in the early session on Tuesday.The benchmark index of the premier bourse surged by 13.92 points to reach 6,213 points by 10:42am.During the session, 82 scrips advanced, 57 declined and 87 remained unchanged.Meanwhile, the turnover value stood at Tk104 crore.Earlier on Monday, DSEX inched up by 17 points breaking the losing streak of the last five consecutive days.