Thailand Stock Movers: Asia Aviation, Siam Inter, Thai Rubber

Shares of the following companies had unusual moves in Thailand trading. Stock symbols are in parentheses and prices are as of the 4:30 p.m. close in Bangkok.

The SET Index rose 0.3 percent to 1,141.50. The gauge has lost 7.1 percent this month, poised for the first monthly drop since September.

Asia Aviation Pcl (AAV TB), the parent of Thai AirAsia Co. Ltd., the nation’s largest budget carrier, closed unchanged at 3.7 baht, after rising as much as 8.1 percent in its trading debut. The company and its major shareholders sold 1.21 billion shares at 3.70 baht each in an initial public offering this month. Net income in the first quarter dropped 29 percent to 316.5 million baht ($9.9 million), the company said yesterday.

Siam Inter Multimedia Pcl (SMM TB), a book publisher, dropped 22 percent to 2.4 baht, the largest decline since January 30, 2009. The company yesterday said it wasn’t aware of any reason for a recent rally in its shares, which have tripled over the past two weeks.

Thai Rubber Latex Corp. (Thailand) Pcl (TRUBB TB) fell 1.3 percent to 3.14 baht. Rubber futures lost as much as 5.1 percent to 257.9 yen a kilogram ($3,271 a metric ton), the lowest price since Nov. 24, on the Tokyo Commodity Exchange.

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