Taipei: The Taiwan Stock Exchange's main index experienced an upward movement as it opened 19.46 points higher at 25,494.10. This positive start to the trading day was marked by a turnover of NT$4.64 billion, equivalent to US$153.19 million.According to Focus Taiwan, the promising start of the index suggests a positive investor sentiment in the market, contributing to the early gains observed. The movement in the index reflects an active trading environment on the Taiwan Stock Exchange as investors engage with the market dynamics.