Vietnam Stocks: Petrolimex Gas, Tay Ninh, An Phu Irradiation

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, dropped for the first day in four, retreating 0.2 percent to 482.14.

Petrolimex Gas Joint-Stock Corp. (PGC VN), a petrochemical company, declined 1.2 percent to 8,100 dong. The company will start trading 7.95 million additional shares on the exchange on May 26, according a statement on the bourse’s website.

Rubber Stocks: Tay Ninh Rubber Joint-Stock Co. (TRC VN), the third-biggest listed rubber producer, slid 4.8 percent, the most since April 26, to 47,500 dong. Danang Rubber Joint-Stock Co. (DRC VN) dropped 1.3 percent to 30,200 dong.

Rubber declined for the first day in four as a slump in oil reduced the appeal of the commodity and amid concern that China may boost borrowing costs to curb inflation, weakening demand for the raw material used in tires. October-delivery rubber tumbled as much as 4.5 percent to 366 yen per kilogram ($4,506 a metric ton) before trading at 369 yen on the Tokyo Commodity Exchange at 10:42 a.m.

An Phu Irradiation Joint-Stock Co. (APC VN), an irradiater of fruit to be exported to the U.S., rose 3.7 percent, the most since March 23, to 13,900 dong. An Phu will pay a 2010 dividend of 2,000 dong a share in June, according to a statement on its website.

Hung Vuong Corp. (HVG VN), the third-largest listed seafood company, jumped 4.9 percent to 17,200 dong, the biggest gain since Feb. 14. The company based in the Mekong Delta province of Tien Giang reported first-quarter profit climbed 49 percent to 106.1 billion dong ($5.2 million), according to a filing with the exchange.

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