Shares extend gains, propped up by banks and brokers stockbot 0 500 2021.03.12 16:14 http://vietnamnews.vn/economy/901014/shares-extend-gains-propped-up-by… + 28 https://vietnamnews.vn/rss/economy.rss + 24 The VN30 tracking the top 30 shares by market value and liquidity on the Hồ Chí Minh Stock Exchange rose by 1.4 per cent.