Thailand Stocks: PTT, PTT Exploration, Sri Trang Agro, Vinythai

Shares of the following companies had unusual moves in Thailand trading. Stock symbols are in parentheses and prices are as of the close in Bangkok.

The SET Index (SET) slid 1.3 percent to 1,138.63, the first drop in five days. The gauge has declined 7.3 percent this month, headed for the first monthly loss since September.

Oil companies: PTT Pcl (PTT) , Thailand’s largest energy company, dropped 1.9 percent to 307 baht. PTT Exploration & Production Pcl (PTTEP) , the nation’s only publicly traded oil explorer, lost 2.6 percent to 153 baht. Crude oil decreased as much as 1.3 percent to $89.55 a barrel in New York.

Rubber producers: Sri Trang Agro-Industry Pcl (STA) , Thailand’s largest rubber producer, fell 2.6 percent to 15 baht. Thai Rubber Latex Corp. (Thailand) Pcl (TRUBB) dropped 3.6 percent to 3.18 baht.

Rubber futures slumped as much as 2.2 percent to 265.8 yen a kilogram ($3,350 a metric ton) before settling at 271.7 yen on the Tokyo Commodity Exchange.

Vinythai Pcl (VNT) , a maker of polyvinyl chloride, climbed 2.4 percent to 17 baht, the highest close since May 17. The company will spend about 1 billion baht ($31.4 million) to acquire Solvay Biochemicals (Taixing) Ltd. in China, according to a regulatory filing. Solvay Biochemicals will invest 7.2 billion baht in a new plant in China, it said.

To contact the reporter on this story: Anuchit Nguyen in Bangkok at anguyen@bloomberg.net

To contact the editor responsible for this story: Darren Boey at dboey@bloomberg.net

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