The SET index was up by 0.25 per cent to 843.28 at midday on Thursday.
The trading value was at Bt4.9 billion.
PTT was the most active stock being flat at Bt368, while PTT Exploration and Production rose 1.28 per cent to Bt158. Banpu was flat at Bt394, while Thai Oil was down by 1.7 per cent to Bt85.5. - The Nation