Taipei: The Taiwan Stock Exchange's main index experienced a decline at the opening, falling by 42.99 points to reach 21,960.51. The initial turnover was recorded at NT$5.12 billion, equivalent to approximately US$173.01 million.According to Focus Taiwan, the index's downward movement was observed at the start of trading. The turnover reflects the trading activities during the early market hours, indicating investor sentiment and market conditions. The opening figures provide a snapshot of the market's initial performance for the day.