Shares on November 11 reversed losses on the previous day to add value on both exchanges.
On the Ho Chi Minh Stock Exchange, the VN-Index finished at 604.23 points, up 0.35 percent.
However, the VN30 Index, tracking the 30 leading stocks in capitalisation and liquidity, fell 0.08 percent to 642.02 points after advancing 0.02 percent on November 10.
Among the 30 shares, losers outnumbered gainers by 15 to 10. Trading value declined 14 percent to 2.5 trillion VND (117.9 million USD) on a volume of 136.6 million shares, which fell just 1.6 percent.
On the Hanoi Stock Exchange, the HNX-Index rose 0.39 percent to 89.86 points. Transaction value climbed 17 percent compared to the previous session to over 1.15 trillion VND (54.2 million USD).
The HNX30 Index, composed of Hanoi's top shares, gained 0.67 percent to close at 181.83 points.
The stocks with highest trading volume were real estate firms FLC Group (FLC), Tan Tao (ITA) and Kinh Bac Urban City (KBC) and retailer KLF Investment (KLF). For the latter, shares traded were worth 24.9 percent of the company's charter capital.
"Investors tended towards mid-cap stocks," said Saigon Securities Inc's Nguyen Duc Hung Linh, adding that KLF, FLC and financial services provider FIT Investment (FIT) had recently been favoured.
"The rally in the short term has not been affirmed yet, and profit-taking will increase as the indexes approach their resistances," he said.-VNA