Taipei: The Taiwan Stock Exchange's main index began the week on a negative note, opening down 71.85 points at 22,679.18. This initial decline was observed on a turnover of NT$3.96 billion (US$135.43 million), reflecting early market sentiment.According to Focus Taiwan, the decrease in the index indicates investor caution and potential external influences impacting the market. The turnover figure suggests a moderate level of trading activity as the market opened. Investors may be responding to a variety of factors, including global economic trends and domestic financial developments.