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Thailand's economy grew by a faster-than-expected 9.1 percent in the second quarter compared with a year earlier. That stoked speculation the central bank may become more aggressive in raising rates.
The state planning agency which compiles gross domestic product data, nearly doubled its 2010 economic growth target to between 7 and 7.5 percent from 3.5 to 4.5 percent predicted in May. That was at the height of the worst political unrest in modern Thai history.
The Bank of Thailand is widely expected to raise its benchmark policy rate by a quarter percent to 1.75 percent on Wednesday.