June 8 (Bloomberg) -- Shares of the following companies had unusual moves in Vietnam trading. Stock symbols are in parentheses and prices are as of the close in Ho Chi Minh City. The VN Index, the benchmark measure of the Ho Chi Minh City Stock Exchange, dropped 0.4 percent to 432.90. The gauge advanced 1 percent this week, the steepest gain in six weeks.
Hoa Binh Rubber Joint-Stock Co. (HRC VN), fell 1.1 percent to 35,500 dong. November-delivery rubber lost as much as 3.6 percent to 234.7 yen a kilogram ($2,954 a metric ton) in Tokyo. The most-active contract has lost 6.9 percent this week, the largest drop since the week through May 11.
Saigon Securities Joint-Stock Co. (SSI VN), Vietnam’s biggest brokerage, fell 2.2 percent to 21,800 dong. The company will list 1.5 million new shares on June 18, it said in a statement filed on the bourse’s website.
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