Shares retained gains during December 17's session, driven by a hive of activity on banking stocks.

The VN-Index on the HCM Stock Exchange added 0.36 percent to close at 393.63 points.

Vietinbank (CTG) bottomed out from the opening minutes until the end of yesterday's session, reaching 19,400 per share VND (0.9 USD). The stock was heavily sold after exchange-traded fund Vaneck excluded it from the Market Vector Vietnam Index.

The fund had been holding more than 23 million CTG shares.

Meanwhile, two other banking blue chips – Sacombank (STB) and Eximbank (EIB) – enjoyed growth and high trading volumes. EIB saw nearly 19 million shares change hands through the negotiation method with a total value of some 278 billion VND (13.2 million USD). However, it failed to maintain earlier advancements, finishing the day unchanged.

Total trading value in HCM City hit 964.7 billion VND (45.9 million USD), jumping 47 percent from December 15's activity and representing a volume of 67.4 million shares.

The VN30, tracking the southern bourse's top shares, also edged up 0.33 percent to 462.25 points.

Meanwhile on the Hanoi Stock Exchange, the HNX-Index managed to close 0.06 percent higher, edging up to 54.47 points.

With 67.6 million shares traded, market value in Hanoi climbed 64 percent on the previous session to 434.5 billion VND (20.6 million USD).

The HNX30, comprised of the exchange's 30 leading stocks, closed on 101.65 points, despite the tumble of major stock Asia Commercial Bank (ACB). ACB shed 2.4 percent on the day.-VNA