Market wrap: VN-Index ends week on a down note. On Friday, the VN-Index fell for the third time this week as it declined by a half a percent. The index was down 1% for the week, which was its first negative week in three. GAS (-1.5%) was the leading contributor to the day’s loss and dropped 4.3% over the week. However, PetroVietnam subsidiaries DPM (+5.2%) and PGD (+6.9%) surged. PLX (-3.3%) sunk to its lowest share price in nearly seven months.