Shares of the following companies had unusual moves in Vietnam trading. Stock symbols are in parentheses, and prices are as of the 11 a.m. local-time close.
The VN Index, the benchmark measure of the Ho Chi Minh City Stock Exchange, fell 0.8 percent to 461.86.
Masan Group Corp. (MSN VN), a group with businesses including financial services, consumer staples and natural resources, rose for a fifth day, jumping 4.9 percent to 108,000 dong, a record high. The Ho Chi Minh City-based company said its so-called pro forma profit may rise by 31 percent to 64 percent in 2011 to a range of 2.4 trillion dong ($116 million) to 3.1 trillion dong, according to a statement on its website.
Ocean Group Joint-Stock Co. (OGC VN), a real-estate and financial company, dropped 1.6 percent to 18,100 dong. The Hanoi-based company cut its 2011 pretax profit forecast by 18 percent to 825 billion dong, according to a statement on its website.
Tay Ninh Rubber Joint-Stock Co. (TRC VN), the third-biggest listed rubber producer, slid by the daily limit of 5 percent to 46,100 dong, the lowest close since July 17, 2009. Rubber slumped to a one-month low amid speculation China may increase interest rates to curb inflation and economic growth, and as reduced production by Japanese automakers raised concern demand for tires may weaken.