Blue chips lost ground in the afternoon's session of April 27, pulling the VN-Index down 0.6 percent to close at 562.40 points.

On the Hochiminh Stock Exchange, the biggest stocks, including Masan Group (MSN), Vinamilk (VNM), VnGroup (VIC), Vietcombank (VCB), Bank for Investment and Development of Vietnam (BID), Hoa Phat Group (HPG) and Phu My Fertiliser (DPM), declined by 0.9-4.4 percent.

The VN30 which tracks the top 30 shares by market value and liquidity slumped 0.49 percent to end at 593.15 points.

The continued drop of the Ocean Group (OGC) also fuelled investor worries. Shares dived 5 percent after many investors placed sell orders on millions of OGC shares at its floor price. However, only 675,700 shares changed hands by the end of the session.

Overall market conditions were negative as the decliners outnumbered the advancers by 115-98, while another 93 closed flat.

Liquidity also drained with both market volume and value falling 20 percent against the April 24 levels, totalling nearly 62 million shares worth 1.117 trillion VND (51.7 million USD).

FLC Group (FLC) was the most active stock with trades of more than 3.1 million shares, ending flat at 10,400 VND a share.

By contrast, the HNX-Index on the Hanoi Stock Exchange made a slight recovery, lifting the Index up 0.2 percent to finish at 82.75 points.

However, the losers outnumbered the gainers by 104-94 - and 168 stocks were unchanged.

Liquidity also decreased as the market volume was down 10 percent from the previous session to reach 40.5 million shares. Value of trades dropped 20 percent from April 24, totalling 457.35 billion VND (21.2 million USD).

Only seven stocks had trades of more than one million shares here, of which KLF Joint Venture Global Investment Co (KLF) was the most active with 5.4 million shares, ending flat at 8,900 VND a share.

Foreign investors concluded the day as net sellers on both exchanges, unloading combined shares worth 199.34 billion VND (9.2 million USD).

According to many analysts, investors became more sluggish and traded with growing prudence ahead of the week-long holiday.-VNA