So far this year, foreign net sells have reached Bt8 billion while retail investors' net sells touched Bt17 billion.
Thanks to the net purchase of Bt7 billion by local institutional investors, the Stock Exchange of Thailand index managed to close above the 1,400 points level.
The SET index ended 10.05 points or 0.72 per cent higher to 1,405.26 points, on turnover of Bt44 billion.
The index in the past four days had been below 1,400 points.