Taipei: The Taiwan Stock Exchange's main index opened up 161.09 points at 26,596.03 Monday on turnover of NT$7.21 billion (US$230 million).According to Focus Taiwan, the positive opening reflects investors' confidence, marking a significant start to the week. The turnover suggests active participation in the market, indicating a favorable sentiment among traders. This development follows a trend of cautious optimism in the region's financial markets, as investors await further economic data and global market cues.