VN-Index slightly higher as 580 resistance holds again. First we would like to remind our readers that Vietnam's markets will be closed on Monday and will re-open Tuesday. The movement of the VN-Index on Friday followed a familiar pattern. For the last four days, shares have traded above 580 (breaking 586 today) before falling late in the afternoon to below 580. The market inched up 0.37 points, or 0.06%, to 579.86, beating Tuesday's close by just 0.02 points to reach a four-month high.