Bangkok - Thailand's share prices plummeted 9.6 per cent Friday, prompting regulators to close the market for 30 minutes after midday trading when share values had dropped more than 10 per cent.
The Stock Exchange of Thailand (SET) index ended at 451.96, down 48.03 points, or 9.6 per cent.
After the midday break, the index slipped to 449.91, down 50.08 points, or 10.02 per cent, prompting authorities to close trading for half an hour in keeping with the bourse's regulations.
The bourse resumed trading in the afternoon.