The VN-Index traded in negative territory all day on Thursday and closed at the low of the session, down 1.7%. Such a loss would normally be considered quite large, but in the context of this week, today's trading activity reflected falling global volatility and a return to more normal trading. The index has seen large drops in three of the last four days and is down 8% so far this week. GAS (-5.5%) was the top contributor to today's loss, extending a 17% pullback so far this month after hi