The VN-Index had its worst day in three months on Thursday, suffering a sharp reversal during the trading session. After reaching a 10-year intraday high above 849 about an hour into the morning session, the index plunged almost two percent over the rest of the day to close down more than a percent. ROS (-6.4%) was the largest contributor to the loss, but the pullback was broad-based across sectors with several large-caps seeing their biggest sell-offs of the year. PLX (-6.6%) had it larg