Blue chip stocks sold off heavily on July 18 afternoon, driving the VN-Index on the Ho Chi Minh Stock Exchange down 0.13 percent to close the session at 496.84 points.

Some of the VN30 (measuring the top 30 shares by market capitalisation and liquidity) maintained rises in the morning, including steelmaker Hoa Phat Group (HPG), Southern Rubber Industry Co (CSM) and Masan Group (MSN), but many lost value by the end of the session.

Losers included Hoang Anh Gia Lai Group (HAG), Phu My Fertiliser (DPM), FPT Corp (FPT), VinGroup (VIC) and Bao Viet Holdings (BVH) with falls from 0.7 percent to 1.4 percent.

With half of its members in a slump, the VN30 fell 0.13 percent to hit 550.67.

Overall market condition was also negative as decliners outnumbered advancers by 118-70 while 93 codes closed unchanged.

According to many analysts, July 17's fuel-price hike accompanied by sluggish market sentiment in recent days further dampened investor interest.

They were hesitant to make new investments and only paid attention to shares with good fundamentals.

Heavy trading in blue chips helped lift total market value on the day to more than 1.33 trillion VND (63.5 million USD). VN30 shares made up more than 70 percent of trading, valued at 944.4 billion VND (45 million USD).

Property developer VinGroup (VIC) remained the most active code. A total of 4.2 million shares changed hands at 63,500 VND (3.02 USD) a share.

On the Hanoi Stock Exchange, the HNX-Index sank in the red, closing the day's session off 0.44 percent at 62.97 points.

Trading was still sluggish with nearly 20 million shares worth 147 billion VND (7 million USD) exchanged.

Shares of another property company, Sacomreal (SCR), were the most active in Hanoi during the day with 2.35 million exchanged at 7,100 VND each, down 2.74 percent from the previous session's closing price.

Foreign investors were again net sellers in HCM City , unloading shares worth nearly 18 billion VND (857,000 USD), but they continued to be net buyers in Hanoi , buying shares worth 5.5 billion VND (262,000 USD).-VNA