Taipei: The Taiwan Stock Exchange's main index opened with a rise of 107.70 points at 27,517.24 on Thursday. The early trading session saw a turnover amounting to NT$8.36 billion (US$266.92 million).According to Focus Taiwan, the market's positive opening reflects investor sentiments and market activities early in the day. The index's movement will be closely watched by traders and analysts as the day progresses to gauge further economic trends.