Shares declined on Sept. 10 on both nation's stock exchanges, reversing a one-day rise on Sept. 7.

On the Ho Chi Minh Stock Exchange, the VN-Index concluded the session at 388.88 points, a loss of 2.17 percent from the previous session's close. However, trading was more active than during the previous session, with almost 48.8 million shares traded, an increase of 46 percent. The value of trades rose by 63 percent to over 833 billion VND (39.7 million USD).

Decliners outnumbered advancers by 216-33. While blue chips were the driving force for on Sept. 7's gains, they were the primary culprit in dragging down the market on Sept. 10.

The VN30 Index, which tracks the market's leading shares by capitalisation and liquidity, lost 2.22 percent overall to end the session at 455.59. Insurer Bao Viet Holdings (BVH), Vietinbank (CTG), real estate developer Hoang Anh Gia Lai Co (HAG), steelmaker Hoa Phat Group (HPG), financial conglomerate Ocean Group (OGC) and PetroVietnam Finance (PVF) all plunged to their floor prices.

Food processor Masan Group (MSN) was among the few gainers, picking up 1.9 percent for its second rising session in a row to close at 105,000 VND per share.

Sacombank (STB) was the most-active share by the end of the session with trades totalling 2.9 million shares. STB closed flat at 20,000 VND.

FPT Securities Co analysts wrote on the firm's website that the market was overshadowed by unconfirmed rumours that a high-ranking executive of Tan Tao Investment Industry Co (ITA) as well as another unnamed executive were arrested. On the market, investors rushed to unload ITA shares, driving them to their floor price of 5,500 VND per share.

On the Hanoi Stock Exchange, the HNX-Index lost 3.84 percent to end the day at 58.07 points. The value of trades reached only 270 billion VND (12.9 million USD).

Blue chips plunged even more steeply, with the HNX-Index dropping by 4.72 percent to 107.61 points.

Kim Long Securities Co (KLS) was the most-active share with over 4.3 million traded, dropping to its floor price of 8,100 VND a share.

Foreign investors bucked the market trend, continuing as net buyers on both bourses. They were responsible for buys worth a combined net of 46 billion VND (2.2 million USD).-VNA