Taipei: The Taiwan Stock Exchange's main index opened up 172.87 points at 46,724.0 Monday on turnover of NT$14.10 billion (US$445.75 million). According to Focus Taiwan, this increase indicates a positive start to the trading week, reflecting investor confidence and market optimism. The substantial turnover highlights active trading activity, suggesting strong participation from market players. This opening surge could set the tone for the rest of the trading session, potentially influencing market trends and investor sentiment.