Market wrap: Stocks jump to nine-year high; brokerages surge. The VN-Index enjoyed its largest increase in four months on Friday, advancing almost one percent, as the market broke out of a week-long sideways move to reach its highest level since 2008. PLX (+7.0%) led gainers amid no apparent news catalyst. The firm is up 29% over than last three weeks and is now the sixth largest listed company on HOSE by market capitalization.