Taipei: The Taiwan Stock Exchange's main index experienced a downturn as it opened down 174.11 points at 46,010.74 on Monday. The opening saw a turnover of NT$8.23 billion (US$260.77 million), reflecting cautious investor sentiment.According to Focus Taiwan, the decline in the main index highlights ongoing market uncertainties. Analysts are closely monitoring the situation to understand the factors contributing to this market behavior. The turnover indicates a significant level of trading activity, suggesting that investors are reacting to broader economic signals.