The index closed 10.49 points higher after gaining 8.51 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 27% to VND22.791 trillion (US$926.6 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 23 tickers gained .
POW of electricity producer Petrovietnam Power Corporation went up 3.6%, SSI of brokerage SSI Securities Corporation closed 3.2% higher, and STB of Ho Chi Minh City-based lender Sacombank grew 2.7%.
Seven blue chips fell. VNM of dairy giant Vinamilk slid 1.0%, BVH of insurance company Bao Viet Holdings went down 0.7%, and VJC of budget airline Vietjet Air dropped 0.5%.
Foreign investors were net buyers to the tune of VND525 billion, mainly buying FPT of IT giant FPT Corporation and VCB of state-owned lender Vietcombank.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.65%, while the UPCoM-Index for the Unlisted Public Companies Market went down 0.34%.
Stocks globally slipped on Wednesday, with a continued stimulus-fueled rally in China the one bright spot, Reuters reported.
European stocks fell 0.1%, after gaining nearly 1% on Wednesday. Oil and gas shares led the losses, falling 0.9% on concerns China's stimulus plans would not do enough to boost demand.
Wall Street was set for losses, too, with S&P 500 futures down 0.2%.
The strong start for Chinese stocks briefly invigorated other regional indexes, but those gains soon fizzled. MSCI's broadest index of Asia-Pacific shares outside gained 0.3%.