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

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 rose 2.9 percent to 942.55, the most since Oct. 6. Thailand’s financial markets were closed yesterday for a public holiday.

Oil companies: PTT Pcl (PTT TB), Thailand’s biggest energy company, gained 4.6 percent to 297 baht, the largest increase since Oct. 11. PTT Exploration & Production Pcl (PTTEP TB), the nation’s only publicly traded oil explorer, climbed 2.6 percent to 157 baht.

Crude oil rose for a third day to trade at the highest in 12 weeks in New York on signs of improving U.S. demand and on speculation European leaders will agree on a fund to contain a debt crisis threatening the region’s economic growth.

Rubber producers: Sri Trang Agro-Industry Pcl (STA TB), the biggest publicly traded rubber producer, jumped 7 percent to 18.30 baht, the largest gain since Oct. 7. Thai Rubber Latex Corp. (Thailand) Pcl (TRUBB TB) advanced 2 percent to 3.08 baht.

Rubber in Tokyo climbed for a third day as a rally in oil curbed the appeal of synthetic products made from petroleum, and after data showed an increase in Chinese purchases, easing concern that demand from the largest consumer may weaken.

Salee Industry Pcl (SALEE TB), a producer of plastic parts, dropped 2.6 percent to 3.7 baht, the steepest decline since Oct. 10. The company shut a plant in Pathum Thani province today because of flooding, it said in a regulatory filing.

SVI Pcl (SVI TB), a maker of electronic components, lost 2.1 percent to 2.86 baht, the lowest close since Nov. 18. The company has closed a plant in Pathum Thani province because of flooding, it said in a regulatory filing.

Thai Airways International Pcl (THAI TB), the country’s largest carrier, fell 3 percent to 19.60 baht. Nok Air Ltd., a budget airline that’s 49 percent-owned by Thai Airways, suspended domestic flights after floods worsened around Don Mueang airport in northern Bangkok, Chief Executive Officer Patee Sarasin told reporters today.

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