Shares lost value on both of the nation's stock exchanges on Dec 18, snapping a six-day rally.

Decliners on both boards exceeded 250 codes, while only 76 stocks posted gains in HCM City and only 65 stocks advanced in Hanoi .

On the HCM Stock Exchange, the VN-Index closed at 393.39 points, down 0.06 percent from the previous session. The value of trades tumbled 32.6 percent from the previous day to about 650.7 billion VND (31 million USD), with 52.4 million shares changing hands.

The VN30 Index, representing the performance of HCM City 's 30 leading shares by capitalisation and liquidity, also declined by 0.4 percent to end the day at 460.42 points.

Meanwhile, on the Hanoi Stock Exchange, the HNX-Index fell by 0.94 percent to just 53.96 points. Trades on the northern bourse were sluggish, with only 51.3 million exchanged for a value of about 323 billion VND (15.3 million USD).

The HNX30 Index, which tracks the leading shares on the capital city exchange, retreated by 0.84 percent to 100.80 points.-VNA