The domestic companies index registered a marginal drop of 0.06 percent during the week ending February 16, closing at 8 714.05 points from 8 719.68 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index decreased by 1.65 percent. A total of 4 530 378 securities valued at P10 100 605 were traded during the week.