Thailand Stocks: PTT, PTT Exploration, Sri Trang, Thai Optical

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 fell for a third day, declining 1.9 percent to 965.07, the biggest loss since Oct. 20.

Oil companies: Crude oil fell for a third day in New York as investors speculated that fuel demand may falter amid signs of slowing global economic growth in Asia and debt crises in the U.S. and Europe.

PTT Pcl (PTT TB), Thailand’s biggest energy company, dropped 2 percent to 297 baht, the steepest decrease since Nov. 9. PTT Exploration & Production Pcl (PTTEP TB), Thailand’s only publicly traded oil explorer, lost 2.2 percent to 158 baht, the lowest since Nov. 7.

Rubber producers: Rubber plunged to one-week low in Tokyo as measures by top three producers were viewed as inadequate to limit a price slump, while a deepening European crisis may slow economic growth and cut demand for the commodity used in tires.

Sri Trang Agro-Industry Pcl (STA TB), Thailand’s biggest publicly traded rubber producer, slipped 2.8 percent to 17.6 baht, the largest drop since Nov. 1. Thai Rubber Latex Corp. (Thailand) Pcl (TRUBB TB) fell 1.3 percent to 3.06 baht.

Capital Nomura Securities Pcl (CNS TB), a stock brokerage, slid 4.1 percent to 28 baht. Investors who buy Capital Nomura’s shares today weren’t entitled to a dividend payout of 3.10 baht a share.

Thai Optical Group Pcl (TOG TB), the nation’s largest publicly traded maker of optical glasses, sank 5.6 percent to 2.7 baht, the biggest decline since Sept. 26. The company had a net loss of 5.2 million baht ($167,500) in the third quarter, compared with profit of 45.4 million baht in the same period a year earlier.

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