After trading in positive territory throughout Monday morning, the VN-Index plunged in afternoon trading to ultimately finish the day down 1.5% as investors locked in profits after the index dropped below the 900-point level. Conglomerate VIC (-2.7%) was the top contributor to the day’s loss while Vingroup subsidiaries VHM (-1.1%) and VRE (-2.8%) also fell. GAS (-3.5%) has plummeted 5% over the last two trading sessions. Several bank tickers declined, including BID (-3.6%), VCB