The VN-Index, which represents the Ho Chi Minh Stock Exchange (HoSE), gained 8.11 points, or 0.79%, to 1,040.54 on Wednesday on the rally of blue chips.
The main bourse saw 203 stocks gaining and 170 losing, with more than 458 million shares changing hands for over VND8.6 trillion ($365.6 million).
Blue chips were the main support for the VN-Index gain as the VN30 index, which tracks the performance of the 30 largest-cap stocks, rose 8.1 points to 1,043.14.
Real estate and finance stocks continued to drive the market, with VHM of Vinhomes, VCB of Vietcombank, VPB of VPBank, and BID of BIDV bank up 4.96%, 2.89%, 3.19%, and 1.65%, respectively.
Green covered many groups, including real estate, banking, oil and gas, chemical and insurance. In contrast, stocks of securities, construction and steel companies recorded falls in the session.
Foreign investors were net buyers on the HoSE for the second session to the tune of over VND170 billion ($7.2 million). They mainly net purchased HPG of steel maker Hoa Phat, VCB, VRE of Vincom Retail, MSB of Maritime Bank, KDC of Kinh Do Corp, and VHM.
The HNX-Index on the Hanoi bourse went up 0.85 points to 203.96, while the UpCOM-Index on the unlisted public company market increased 0.23 points to 75.9.