The domestic companies index (DCI) went up by 0.11 percent during the week ending May 25, closing at 8 534.27 points from 8 524.61 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index lost 3.68 percent. A total of 19 220 295 securities valued at P55 132 751 were traded during the week.