The SET index was up by 1.29 per cent to 830.37 at midday on Wednesday.
The trading value was at Bt9.98 billion.
PTT was the most active stock rising 1.8 per cent to Bt336, while PTT Exploration and Production jumped 1.26 per cent. Metrostar Property fell 14.7 per cent to Bt4.06, while Thai Oil rose 1.37 per cent to Bt73.5. - The Nation