Taipei: The Taiwan Stock Exchange's main index opened with a decrease of 86.86 points, standing at 22,893.91. The morning trading session recorded a turnover of NT$8.41 billion, equivalent to US$259.25 million.According to Focus Taiwan, the opening figures reflect the current market conditions, with investors closely monitoring economic indicators and global market trends. The performance of the index is seen as a part of broader economic activities and investor sentiment. The turnover highlights the volume and value of transactions taking place on the exchange at the start of the trading day.